gelding
noun
[ ˈɡɛldɪŋ ]
• a castrated animal, especially a male horse.
Origin:
late Middle English: from Old Norse geldingr, from geldr ‘barren’.
geld
verb
• castrate (a male animal).
Similar:
castrate,
neuter,
cut,
desex,
remove the testicles of,
alter,
doctor,
fix,
caponize,
emasculate,
eunuchize,
evirate,
Origin:
Middle English: from Old Norse gelda, from geldr ‘barren’.