a. Bot. [f. mod.L. Juncāce-æ (f. juncus rush) + -OUS: see -ACEOUS.] Belonging to N.O. Juncaceæ (the rush family).

1

1855.  in Mayne, Expos. Lex.

2

1864.  Webster, Juncaceous (Bot.), of, pertaining to, or resembling rushes.

3