Rashmiketu, Raśmiketu, Rashmi-ketu: 7 definitions
Introduction:
Rashmiketu means something in Buddhism, Pali, Hinduism, Sanskrit. If you want to know the exact meaning, history, etymology or English translation of this term then check out the descriptions on this page. Add your comment or reference to a book if you want to contribute to this summary article.
The Sanskrit term Raśmiketu can be transliterated into English as Rasmiketu or Rashmiketu, using the IAST transliteration scheme (?).
In Hinduism
Purana and Itihasa (epic history)
Source: archive.org: Puranic EncyclopediaRaśmiketu (रश्मिकेतु).—A Rākṣasa who fought on the side of Rāvaṇa against Rāma. (Vālmīki Rāmāyaṇa, Sundara Kāṇḍa; Sarga 9).

The Purana (पुराण, purāṇas) refers to Sanskrit literature preserving ancient India’s vast cultural history, including historical legends, religious ceremonies, various arts and sciences. The eighteen mahapuranas total over 400,000 shlokas (metrical couplets) and date to at least several centuries BCE.
Jyotisha (astronomy and astrology)
Source: Wisdom Library: Brihat Samhita by VarahamihiraRaśmiketu (रश्मिकेतु) or simply Raśmi refers to a particular type of Ketus (i.e., luminous bodies such as comets and meteors), according to the Bṛhatsaṃhitā (chapter 11), an encyclopedic Sanskrit work written by Varāhamihira mainly focusing on the science of ancient Indian astronomy astronomy (Jyotiṣa).— Accordingly, “Raśmi Ketu [raśmiketu] is a comet possessing a tail slightly coloured like smoke; it appears in the constellation of Kṛttikā. The effects are the same as those assigned to Sveta Ketu. Dhruva Ketu is a comet possessing no fixed course, colour or shape and appears anywhere in the heavens, in the sky and on Earth. When it appears glossy, mankind will be happy. To those whose death might be near this Ketu appears in the several divisions of the King’s army, in houses, in trees, in hills and in household utensils”.

Jyotisha (ज्योतिष, jyotiṣa or jyotish) refers to ‘astronomy’ or “Vedic astrology” and represents the fifth of the six Vedangas (additional sciences to be studied along with the Vedas). Jyotisha concerns itself with the study and prediction of the movements of celestial bodies, in order to calculate the auspicious time for rituals and ceremonies.
In Buddhism
Tibetan Buddhism (Vajrayana or tantric Buddhism)
Source: Wisdom Library: Tibetan BuddhismRaśmiketu (रश्मिकेतु) is the name of a Tathāgata (Buddha) mentioned as attending the teachings in the 6th century Mañjuśrīmūlakalpa: one of the largest Kriyā Tantras devoted to Mañjuśrī (the Bodhisattva of wisdom) representing an encyclopedia of knowledge primarily concerned with ritualistic elements in Buddhism. The teachings in this text originate from Mañjuśrī and were taught to and by Buddha Śākyamuni in the presence of a large audience (including Raśmiketu).

Tibetan Buddhism includes schools such as Nyingma, Kadampa, Kagyu and Gelug. Their primary canon of literature is divided in two broad categories: The Kangyur, which consists of Buddha’s words, and the Tengyur, which includes commentaries from various sources. Esotericism and tantra techniques (vajrayāna) are collected indepently.
Languages of India and abroad
Sanskrit dictionary
Source: DDSA: The practical Sanskrit-English dictionaryRaśmiketu (रश्मिकेतु).—a particular comet.
Derivable forms: raśmiketuḥ (रश्मिकेतुः).
Raśmiketu is a Sanskrit compound consisting of the terms raśmi and ketu (केतु).
Source: Cologne Digital Sanskrit Dictionaries: Monier-Williams Sanskrit-English Dictionary1) Raśmiketu (रश्मिकेतु):—[=raśmi-ketu] [from raśmi] m. ‘beam-bannered’, a [particular] comet, [ib.]
2) [v.s. ...] Name of a Rākṣasa, [Rāmāyaṇa]
[Sanskrit to German]
Sanskrit, also spelled संस्कृतम् (saṃskṛtam), is an ancient language of India commonly seen as the grandmother of the Indo-European language family (even English!). Closely allied with Prakrit and Pali, Sanskrit is more exhaustive in both grammar and terms and has the most extensive collection of literature in the world, greatly surpassing its sister-languages Greek and Latin.
See also (Relevant definitions)
Partial matches: Rashmi, Ketu.
Ends with: Surashmiketu, Suvarnapushpojjvalarashmiketu.
Full-text: Rashmi, Upaskara, Grihin, Griha, Ishtaphala, Senanga, Vinashin, Dhruva, Dhruvaketu, Aniyatagati, Aniyata, Anga.
Relevant text
Search found 2 books and stories containing Rashmiketu, Raśmiketu, Rashmi-ketu, Raśmi-ketu, Rasmiketu, Rasmi-ketu; (plurals include: Rashmiketus, Raśmiketus, ketus, Rasmiketus). You can also click to the full overview containing English textual excerpts. Below are direct links for the most relevant articles:
Ramayana of Valmiki (by Hari Prasad Shastri)
Chapter 43 - The Conflict between the Monkeys and Titans < [Book 6 - Yuddha-kanda]
Chapter 6 - Hanuman explores Ravana’s Palace < [Book 5 - Sundara-kanda]
Chapter 54 - Hanuman sets fire to Lanka < [Book 5 - Sundara-kanda]
Brihat Samhita (by N. Chidambaram Iyer)