'Nopal' definitions:

Definition of 'nopal'

From: WordNet
noun
Cactus having yellow flowers and purple fruits [syn: nopal, Opuntia lindheimeri]
noun
Any of several cacti of the genus Nopalea resembling prickly pears

Definition of 'Nopal'

From: GCIDE
  • Nopal \No"pal\, n. [Mexican nopalli.] (Bot.) A cactaceous plant (Nopalea cochinellifera), originally Mexican, on which the cochineal insect feeds, and from which it is collected. The name is sometimes given to other species of Cactaceae. [1913 Webster]