Ho; Hoa

Part of speech: noun (n.)

A stop; a halt; a moderation of pace. There is no ho with them. Decker.

Part of speech: interjection (interj.)

1. Halloo! attend! -- a call to excite attention, or to give notice of approach. "What noise there, ho" Shak. "Ho! who's within" Shak.

2. Stop! stand still! hold! -- a word now used by teamsters, but formerly to order the cessation of anything. [Written also whoa, and, formerly, hoo.] The duke . . . pulled out his sword and cried "Hoo!" Chaucer. An herald on a scaffold made an hoo. Chaucer.