aculeus Meaning, Definition & Usage

  1. noun a stiff sharp-pointed plant process
  2. noun a sharp-pointed process especially a sting of a hymenopterous insect

WordNet

A*cu"le*us noun
Etymology
L., dim. of acus needle.
Wordforms
plural Aculei
Definitions
  1. (Bot.) A prickle growing on the bark, as in some brambles and roses. Lindley.
  2. (Zoöl.) A sting.

Webster 1913