COSTUMER
Cos"tum`er (-tm`r), n.

Defn: One who makes or deals in costumes, as for theaters, fancy balls, etc.

CO-SUFFERER
Co-suf"fer*er (k-sf"fr-r), n.

Defn: One who suffers with another. Wycherley.

COSUPREME
Co`su*preme" (k`s-prm"), n.

Defn: A partaker of supremacy; one jointly supreme. Shak.

COSURETY
Co*sure"ty (k-shr"t; 136), n.; pl. Cosureties (-t.

Defn: One who is surety with another.

COSY
Co"sy (k"z), a.

Defn: See Cozy.