'Portulacaceous' definitions:

Definition of 'Portulacaceous'

From: GCIDE
  • Portulacaceous \Por`tu*la*ca"ceous\, a. (Bot.) Of or pertaining to a natural order of plants (Portulacace[ae]), of which Portulaca is the type, and which includes also the spring beauty (Claytonia) and other genera. [1913 Webster]