\Com"po\, n.; pl. {-pos}.
Short for {Composition}; -- used, esp. in England, colloq. in
various trade applications; as :
(a) A mortar made of sand and cement.
(b) A carver's mixture of resin, whiting, and glue, used
    instead of plaster of Paris for ornamenting walls and
    cornices.
(c) A composition for billiard balls.
(d) A preparation of which printer's rollers are made.
(e) A preparation used in currying leather.
(f) Composition paid by a debtor.