aculeus
/əˈkjuːlɪəs/noun
1 Botany. A sharply pointed projection on a plant, such as a thorn or a spine; especially one growing directly from the epidermis or forming an extension of it.
2 Zoology. The sting of an insect or other animal.
Origin
Early 17th century (in an earlier sense). From classical Latin acūleus sting, spine, thorn, barb, spike, prick, pang from acus needle + -leus, suffix forming diminutives.
- don't call us, we'll call you
- don't-care
- don't-careish
- don't-careishness
- don't-carish
- don't-carishness
- dontcha
- don'tcha
- don't change horses in midstream
- don't count your chickens before they're hatched
- don't give it another thought
- don't give up the (or your) day job
- don't hold your breath
- don't I know it!
- don't-know
- don't knowist
- don't look a gift horse in the mouth
- don't mention it
- don't (or I wouldn't) bet on it
- don't put all your eggs in one basket
- don't spoil the ship for a ha'p'orth of tar
- don't start (or don't you start)
- don't talk to me about ——
- don't you believe it!
- don't you know