proprietary meaning
EN
[prəˈprɑɪ.ə.teɪɹ.i] 
US WProprietary
- The term proprietary relates to property or ownership.
- Proprietary may refer to:
- Proprietary chapel
- Proprietary church
- Proprietary colleges
- Proprietary colony
- Proprietary community
- Proprietary company
- Proprietary eponym
- Proprietary extension
- Proprietary format
- Proprietary hardware
- Proprietary lock-in
- Proprietary name
- Proprietary protocol
- Proprietary software
- Proprietary trading
- Trade secret
- NounPLproprietariesPREprop-SUF-ary
- A proprietor or owner.
- A body of proprietors, taken collectively.
- A monk who had reserved goods and belongings to himself, notwithstanding his renunciation of all at the time of profession.
- A proprietor or owner.
- AdjectiveCOMmore proprietarySUPmost proprietary
- Of or relating to property or ownership, as proprietary rights.
- Of or relating to the quality of being an owner, as the proprietary class.
- Created or manufactured exclusively by the owner of intellectual property rights, as with a patent or trade secret.
- The continuous profitability of the company is based on its many proprietary products.
- Nonstandard and used only by one particular organization, as a proprietary extension to a standard.
- Privately owned, as a proprietary lake.
- (of a person) Possessive, jealous, or territorial.
- Of or relating to property or ownership, as proprietary rights.
Definition of proprietary in English Dictionary
- Part-of-Speech Hierarchy
- Adjectives
- Nouns
- Countable nouns
- Countable nouns
- Adjectives
Source: Wiktionary
Grammatically, this word "proprietary" is an adjective. It's also a noun, more specifically, a countable noun.