Dictionary Definition :
Definition[1]
:
auṣasá mf(ī)n. (fr. uṣas), relating to dawn, early, matutinal TBr. ii
• (ī́), f. daybreak, morning ŚBr. vi
• (am), n. N. of several Sāmans
Source
:
Sanskrit-English Dictionary, by M. Monier William