'Primulaceous' definitions:

Definition of 'Primulaceous'

From: GCIDE

Primulaceous \Prim`u*la"ceous\, a. (Bot.) Of or pertaining to an order of herbaceous plants (Primulace[ae]), of which the primrose is the type, and the pimpernel, the cyclamen, and the water violet are other examples. [1913 Webster]