Mrigashīrsha  Sanskrit mṛgaśiraṣa (popularly spelled Mārgaśīrṣa/Mṛgaśira) (Devanagari: मृगशीर्ष)() (Sinhalese:Muwasirasa)(Kannada: ಮೃಗಶಿರ) the 5th nakṣatra or "lunar mansion" as used in Hindu astronomy and astrology is the constellation Orion. Its position is described in the Surya Siddhānta. The first two "carana/pada" (quarters) of this nakṣatra are part of Vṛṣabha Rāśi (Devanagari: वृषभ) or "Taurus". The latter half of this star belong to Mithuna Rāśi (Devanagari: मिथुन) or "Gemini" (from 23°20’ Taurus to 6°40’ Gemini). stars in λ, φ1, φ2 Orionis  The term Mṛgaśira (मृगशिर) a composite of two Sanskrit words, mṛga (मृग) meaning animal/beast and śira (शिर) meaning head or precisely, the top of the head. The names Mṛgaśira (मृगशिर) and Mārgaśīrṣa/Mṛgaśīrṣa (मार्गशीर्ष) are sometimes used interchangeably. Grammatically, Mārgaśīrṣa (मार्गशीर्ष) means "of Mṛgaśira" or "related to Mṛgaśira". Thus Mṛgaśira (मृगशिर) is the correct name of the star, while Mārgaśīrṣa (मार्गशीर्ष) is the name of the month related to Mṛgaśira, i.e., the month in which moon will be in conjuncture with the Mṛgaśira nakṣatra.