Whooping \Whoop"ing\, a. & n. from Whoop, v. t.

Whooping cough (Med.), a violent, convulsive cough, returning at longer or shorter intervals, and consisting of several expirations, followed by a sonorous inspiration, or whoop; chin cough; hooping cough. --Dunglison.

Whooping crane (Zo["o]l.), a North American crane (Crus Americana) noted for the loud, whooplike note which it utters.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Whoop \Whoop\, v. i. [imp. & p. p. Whooped; p. pr. & vb. n. Whooping.]

[OE. houpen. See Hoop, v. i.]

1. To utter a whoop, or loud cry, as eagerness, enthusiasm, or enjoyment; to cry out; to shout; to halloo; to utter a war whoop; to hoot, as an owl.

Each whooping with a merry shout. --Wordsworth.

When naught was heard but now and then the howl Of some vile cur, or whooping of the owl. --W. Browne.

2. To cough or breathe with a sonorous inspiration, as in whooping cough.

Source: Webster's Revised Unabridged Dictionary (1913)