The definition of proprietary is something owned or a brand or item protected by intellectual property rights.
(adjective)See proprietary in Webster's New World College Dictionary
noun pl. proprietaries
Origin: LL proprietarius < L proprietas: see property
adjective
See proprietary in American Heritage Dictionary 4
adjective
Origin:
Origin: From Middle English proprietarie, owner of property
Origin: , from Old French proprietaire
Origin: and from Medieval Latin proprietārius
Origin: , both from Late Latin, of a property owner
Origin: , from Latin proprietās, ownership; see property
.Related Forms:
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