a large tropical fish of the mackerel family: Acanthocybium solanderi
[origin unknown]
wahoo2noun (pl wahoos)
either of two species of N American shrubs or small shrubby trees of the spindle tree family with purple capsules that split open to expose the scarlet-covered seeds: genus Euonymus
a N American elm tree: Ulmus alata
any of several similar trees
[(sense 1) Dakota wãhu arrow-wood; (sense 2) possibly from Creek ahá·hura walnut]
wahoo3interj
NAmer used to express exuberance or enthusiasm or to attract attention