• Webster's Revised Unabridged Dictionary
    • Coistril A mean, paltry fellow; a coward.
    • Coistril An inferior groom or lad employed by an esquire to carry the knight's arms and other necessaries.
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Century Dictionary and Cyclopedia
    • n coistril An inferior groom; a lad employed by the esquire to carry a knight's arms; hence, a mean paltry fellow.
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Chambers's Twentieth Century Dictionary
    • n Coistril kois′tril a groom:
    • n Coistril kois′tril (Shak.) a knave.
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Webster's Revised Unabridged Dictionary
Prob. from OF. coustillier, groom or lad. Cf. Custrel
Chambers's Twentieth Century Dictionary
See Custrel.