co meaning
EN
[koʊ] WCo
EN CO 
- NounPLcos
- Pronoun
- (neologism, nonstandard) they (singular). Gender-neutral subject pronoun, coordinate with gendered pronouns he and she.
- (neologism, nonstandard) them (singular). Gender-neutral object pronoun, coordinate with gendered pronouns him and her.
- (neologism, nonstandard) they (singular). Gender-neutral subject pronoun, coordinate with gendered pronouns he and she.
- More Examples
- Used in the Middle of Sentence
- After 1 hr, unadhered cells were removed and adhered cells were incubated for 3 hrs in a CO 2 incubator with Phil82 virus with or without pre-incubation (30 min, 37°C) with LL-37.
- Our CO must have gotten out of bed on the wrong side, for he gave the whole company hell for their poor morale, dirty barracks, etc.
- Radiographs and scintigraph images were taken using CT and SPECT subsystems, respectively, with a 1 mCi 57 Co point source in the SPECT FOV and the CT kVp varied from 60 to 80 kVp.
- Used in the Middle of Sentence
Definition of co in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Pronouns
- Third person pronouns
- Third person pronouns
- Nouns
Source: Wiktionary
Grammatically, this word "co" is a noun, more specifically, a countable noun. It's also a pronoun, more specifically, a third person pronoun.