Dictionary Definition:
yájvan mf(arī
• accord. to Pāṇ. 4-1, 7 Vārtt. 1 Pat.)n. worshipping, a worshipper, sacrificer RV. &c. &c. (yajvanām patiḥ, the moon L.)
• sacrificial, sacred RV. i, 3, 1
• m. an offerer, bestower Hcat.