booby hatch (bobihach)

Naut., a wooden framework with sashes and a sliding cover, used in merchant ve els to cover the after hatch. booby-hut (bö'bi-hut), n. A kind of hooded booby-hutch bonus (bō'nus), n . [Appar. a trade word, bonus , masc., good, erroneously put for bonum , sleigh. [Local, U. S.]