What does aculeus mean?
The definition of aculeus
A*cu”le*us, n.; pl. Aculei.
Etym: [L., dim. of acus needle.]
1 (Bot.)
A prickle growing on the bark, as in some brambles and roses. Lindley.
2 (Zoöl.)
A sting.
An English Dictionary
1 (Bot.)
A prickle growing on the bark, as in some brambles and roses. Lindley.
2 (Zoöl.)
A sting.