Bromeliaceae bro·me·lia·ceae uncommon noun 1. a family of tropical American plants of order Xyridales including several (as the pineapple) of economic importance Synonymsfamily Bromeliaceaepineapple family Related words Broader terms monocot family Parts Xyridales Part of AnanasBromeliaTillandsia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.