Dictionary entry

Coistril

Webster's Dictionary 1913

Cois″tril (?), n. [Prob. from OF. coustillier groom or lad. Cf. Custrel.] 1. An inferior groom or lad employed by an esquire to carry the knight's arms and other necessaries. [Written also coistrel.]

2. A mean, paltry fellow; a coward. Shak.