What is Neuter?

Neuter definition and meaning on Dictionary terms:
Grammar. noting or pertaining to a gender that refers to things classed as neither masculine nor feminine. (of a verb) intransitive.

Biology. having no organs of reproduction; without sex; asexual.
Zoology. having imperfectly developed sexual organs, as the worker bees and ants.

Botany. having neither stamens nor pistils; asexual.
neutral; siding with no one.

Grammar. the neuter gender. a noun of that gender. another element marking that gender. an intransitive verb.

an animal made sterile by castration or spaying.

Zoology. a neuter insect.
a person or thing that is neutral.

verb (used with object)
Veterinary Science. to spay or castrate (a dog, cat, etc.).