'barrel cacti' definitions:

Definition of 'barrel cacti'

From: GCIDE

barrel cactus \bar"rel cac"tus\ (b[a^]r"r[e^]l k[a^]k"t[u^]s), n.; pl. barrel cacti (b[a^]r"r[e^]l k[a^]k"t[imac]). any of several large cacti native to the southwestern U. S. and Mexico, having a short cylindrical form with deep vertical ribs and bearing sharp spines. They are classed in the genera Ferocactus and Echinocactus. [PJC] Barreled