Hoop \Hoop\, v. i. [OE. houpen; cf. F. houper to hoop, to shout;
-- a hunting term, prob. fr. houp, an interj. used in
calling. Cf. {Whoop}.]
1. To utter a loud cry, or a sound imitative of the word, by
way of call or pursuit; to shout. [Usually written
{whoop}.]
2. To whoop, as in whooping cough. See {Whoop}.
{Hooping cough}. (Med.) See {Whooping cough}.