n. (pl. ria) 1 systematically arranged collection of dried plants. 2 book, room, etc. for these. herbicide rhs:bi,saidt n. poison used to destroy unwanted vegetation.
n. (pl. ria) 1 systematically arranged collection of dried plants. 2 book, room, etc. for these. herbicide rhs:bi,saidt n. poison used to destroy unwanted vegetation.