Mashesha, Maṣeśa, Maśeṣa, Māseśa, Masa-isha: 2 definitions
Introduction:
Mashesha means something in 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 terms Maṣeśa and Maśeṣa and Māseśa can be transliterated into English as Masesa or Mashesha or Masesha, using the IAST transliteration scheme (?).
In Hinduism
Shaivism (Shaiva philosophy)
Maṣeśa (मषेश), one of the fifty Rudras according to the Caryāpāda section of the Makuṭāgama (one of the 28 Saiva Siddhanta Agamas).

Shaiva (शैव, śaiva) or Shaivism (śaivism) represents a tradition of Hinduism worshiping Shiva as the supreme being. Closely related to Shaktism, Shaiva literature includes a range of scriptures, including Tantras, while the root of this tradition may be traced back to the ancient Vedas.
Pancaratra (worship of Nārāyaṇa)
Māseśa (मासेश) or Māseśāradhana is the name of ceremony listed under festivals (utsava) and observances (vratas), as discussed in chapter 8 of the Viṣṇutilakasaṃhitā: a Pāñcarātra text comprising 3500 Sanskrit verses covering the typically “agamic” subjects which are being narrated by Brahmā to a number of sages.—[Cf. chapter 8]: Brahmā speaks to the other sages and says he will now relate what the Lord told him about utsava-festivals. An utsava-occasion is always preceded by a flag-raising ceremony of dhvajārohaṇa. Then follows miscellaneous listing of a number of other utsavas and vratas: [e.g., māseśa-ārādhana (276)] [...]

Pancaratra (पाञ्चरात्र, pāñcarātra) represents a tradition of Hinduism where Narayana is revered and worshipped. Closeley related to Vaishnavism, the Pancaratra literature includes various Agamas and tantras incorporating many Vaishnava philosophies.
See also (Relevant definitions)
Full-text: Masesharadhana.
Relevant text
Search found 3 books and stories containing Mashesha, Māsa-īśa, Masa-isa, Masa-isha, Maṣeśa, Masesa, Maśeṣa, Māseśa; (plurals include: Masheshas, īśas, isas, ishas, Maṣeśas, Masesas, Maśeṣas, Māseśas). You can also click to the full overview containing English textual excerpts. Below are direct links for the most relevant articles:
Notices of Sanskrit Manuscripts (by Rajendralala Mitra)
Page 70 < [Volume 15 (1911)]
Tilakamanjari of Dhanapala (study) (by Shri N. M. Kansara)
8.2. Imagery in Dhanapala’s language < [Chapter 16 - The Tilakamanjari as a Sanskrit novel]
International Journal of Environmental Research and Public Health (MDPI)
Factors Contributing to the Risk of HIV Infection in Rural School-Going... < [Volume 11, Issue 11 (2014)]