What does "cereus" mean?

Any of the genus Cereus, either as currently or formerly defined, of plants of the cactus family, natives to the Americas, from California to Chile.

What is a synonym for "cereus"?

Common synonyms include: cactus genus, columnar cactus, genus cereus.

noun

noun ·Rare ·Advanced level

Noun

1
Any of the genus Cereus, either as currently or formerly defined, of plants of the cactus family, natives to the Americas, from California to Chile.

Borrowed from translingual Cereus. Doublet of serge.