COPARTNER
copartner
(noun) a joint partner (as in a business enterprise)
Source: WordNet® 3.1
Etymology
Noun
copartner (plural copartners)
A joint partner (in a business).
Verb
copartner (third-person singular simple present copartners, present participle copartnering, simple past and past participle copartnered)
To form a joint partnership with somebody.
Anagrams
• per contra, procreant
Source: Wiktionary
Co*part"ner, n.
Definition: One who is jointly concerned with one or more persons in
business, etc.; a partner; an associate; a partaker; a sharer.
the associates and copartners of our loss. Milton.
Source: Webster’s Unabridged Dictionary 1913 Edition