Apte Sanskrit-English Dictionary
a. [śaś-kirac ni. Uṇ. 1. 53] Cool, cold, chill, frigid; kuru yadunaṃdanacadanaśiśiratareṇa kareṇa payo- [Page1047-a+ 59] dhare Gīt. 12; R. 14. 3, 16. 49. raḥ, raṃ 1 Dew, hoar-frost; pajhānāṃ śiśirā- dbhayaṃ; jātāṃ manye śiśiramathitāṃ padminīṃ vā- nyarūpāṃ Me. 83.
2 The cold season (comprising the two months Māgha and Phālguna); kaṃṭheṣu skhalitaṃ gate'pi śiśire puṃskokilānāṃ rutaṃ Ś. 6. 3, Pt. 1. 128
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Source entryMonier-Williams Sanskrit-English Dictionary
mf (A) n. (prob. connected with śyai, śīta &c) cool, chilly, cold, frigid, freezing R.; VarBr2S. &c 1076,1 217975 m. n. cold, coolness, hoarfrost, dew MBh.; Ka1v. &c 1076,1 217976 m. the cool or dewy season (comprising two months, Ma1gha māgha and Pha1lguna phālguna, or from about the middle of January to that of March; cf. ṛtu) AV. &c 1076,1 217977 m. N. of the seventh month of the year (accord. to one reckoning)...
Source entry