D defs.my
Entry 2 senses Webster, 1913

Copartnership

· Co·part·ner·ship · IPA
01 n. The state of being a copartner or of having a joint interest in any matter.
  1. 1.
    The state of being a copartner or of having a joint interest in any matter.
  2. 2.
    A partnership or firm; as, A. and B. have this day formed a copartnership.