Listen: US UK UK-RP UK-Yorkshire Irish Scottish US Southern Australian Jamaican /ˈkæktəs/
For the noun: cactus Plural form: cactuses, cacti
WordReference Random House Learner's Dictionary of American English © 2017 cac•tus /ˈkæktəs/
USA pronunciation n. , [ countable ] pl. -ti (-tī), -tus•es, -tus.
Plant Biologya flowering plant of hot, dry regions, with large, rounded, leafless stems usually with spines. WordReference Random House Unabridged Dictionary of American English © 2017 cac•tus
(kak ′təs), USA pronunciation n., pl. -ti (-tī), USA pronunciation -tus•es, -tus.
Plant Biologyany of numerous succulent plants of the family Cactaceae, of warm, arid regions of the New World, having fleshy, leafless, usually spiny stems, and typically having solitary, showy flowers.
cac ′tus•like′, cac ′toid, adj.
Greek káktos cardoon Latin 1600–10
Collins Concise English Dictionary © HarperCollins Publishers::
cactus / ˈkæktəs/ n ( ) pl -tuses, -ti / -taɪ/ any spiny succulent plant of the family Cactaceae of the arid regions of America. Cactuses have swollen tough stems, leaves reduced to spines or scales, and often large brightly coloured flowers cactus dahlia ⇒ a double-flowered variety of dahlia Etymology: 17 th Century: from Latin: prickly plant, from Greek kaktos cardoon cactaceous / kækˈteɪʃəs/ adj
cactus' also found in these entries: