Webster's Revised Unabridged Dictionary · 1913

Asp

Asp ({not transcribed}) , noun

(Botany) Same as Aspen.
Trembling poplar or asp. — Martyn

Asp (ȧsp) , noun

[Latin aspis, from Greek 'aspi`s: compare Old French aspe, French aspic.]

(Zoology) A small, hooded, poisonous serpent of Egypt and adjacent countries, whose bite is often fatal. It is the Naja haje. The name is also applied to other poisonous serpents, esp. to Vipera aspis of southern Europe. See Haje.