The difference between Castrate and Spay

When used as verbs, castrate means to remove the testicles of an animal, whereas spay means to remove or destroy the ovaries (of an animal) so that it cannot become pregnant.


Castrate is also noun with the meaning: a castrated man.

check bellow for the other definitions of Castrate and Spay

  1. Castrate as a noun:

    A castrated man; a eunuch.

  1. Castrate as a verb (transitive):

    To remove the testicles of an animal.

  2. Castrate as a verb (transitive):

    To remove the ovaries and/or uterus of an animal.

  3. Castrate as a verb (transitive, figurative):

    To take something from; to render imperfect or ineffectual.

  1. Spay as a verb (transitive):

    To remove or destroy the ovaries (of an animal) so that it cannot become pregnant.

  1. Spay as a noun:

  1. Spay as a verb:

Compare words: