low-quality, c.1200, shared by all, from imene, from Old English gemÃ¦ne common, public, general, universal, shared by all, from Proto-Germanic *ga-mainiz possessed jointly (cf. Old Frisian mene, Old Saxon gimeni, Middle Low German gemeine, Middle Dutch gemene, Dutch gemeen, German gemein, Gothic gamains common), from PIE *ko-moin-i-held in common, a compound adjective formed from collective prefix *ko-together (Proto-Germanic *ga-) + *moi-n-, suffixed form of PIE root *mei-to ...
proprietary protocol - Computer Definition. 1  A non-standard communications format and language owned by a single organization or individual. 2  A non-standard communications format and language owned by a single organization or individual. See protocol. Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY All other reproduction is strictly prohibited without permission from the publisher. Â© 1981-2017 The Computer Language Company Inc.
Proprietary (or prop) is a high-risk form of where instead of acting on clients orders and receiving commission payments, the trader assumes his own position with the capital of the firm. This means they will experience the full profit or loss of the position.