Brachycome brac·hy·come uncommon noun 1. mostly Australian herbs having basal or alternate leaves and loosely corymbose flower heads Synonymsgenus Brachycome Related words Word family Brachycome Iberidifolia Broader terms asterid dicot genus Parts Compositae Part of Swan River daisy WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.