Webster's Revised Unabridged Dictionary · 1913

Wahoo

Wahoo , noun

Any of various American trees or shrubs;
(a)
A certain shrub (Evonymus atropurpureus) having purple capsules which in dehiscence expose the scarlet-ariled seeds; -- called also burning bush.
(b)
Cascara buckthorn.
(c)
Basswood.

Wahoo , noun

A dark blue scombroid food fish (Acanthocibium solandri or Acanthocibium petus) of Florida and the West Indies.