barrel_cactus has definitions from the field of botany
1
[ noun ] (botany) a cactus of the genus Ferocactus: unbranched barrel-shaped cactus having deep ribs with numerous spines and usually large funnel-shaped flowers followed by dry fruits

Related terms

cactus Ferocactus

2
[ noun ] (botany) any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil

Synonyms

echinocactus

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