noun cac·tus \ˈkak-təs\

: a plant that lives in the desert and that has many sharp points (called spines)

plural cac·ti \-ˌtī, -(ˌ)tē\ or cac·tus·es also cactus

Full Definition of CACTUS

:  any of a family (Cactaceae, the cactus family) of plants that have succulent stems and branches with scales or spines instead of leaves and are found especially in dry areas (as deserts)

Origin of CACTUS

New Latin, genus name, from Latin, cardoon, from Greek kaktos
First Known Use: 1767

Other Seed Plant Terms

aubergine, box, bramble, briar, composite, perpetual, pulse, trefoil

Rhymes with CACTUS


Next Word in the Dictionary: cactus alkaloidPrevious Word in the Dictionary: cactoblastisAll Words Near: cactus
May 06, 2015
dauntless Hear it
fearless or very brave
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears