Thanks for using this online dictionary, we have been helping millions of people improve their use of the Sinhala language with its free online services. English meaning of ගන්නවා is as below...

ගන්නවා : ගන්නවා, v. t. to take, accept; buy. Used also with the p. pl. of another verb to express the reflexive sense or that the action is done to or for one's self or mutually, as ඔහු ගෙයක් සාදාගත්තා. He built himself a house; ඔවුන් කථාකරගත්තා. They conversed together; pret. ගත්තා; p. pl. ගන or ගෙන; v. n. ගැනීම.