noun
genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white
• Syn: ↑genus Cereus
• Hypernyms: ↑caryophylloid dicot genus
• Member Holonyms: ↑Cactaceae, ↑family Cactaceae, ↑cactus family
• Member Meronyms: ↑night-blooming cereus
Useful english dictionary. 2012.