verb, transitive + intransitive al·lo·groom \ˈa-lō-ˌgrüm\

Definition of allogroom






  1. :  to clean and maintain the appearance of an individual of the same species A female rhesus monkey may allogroom the male as a means of overcoming his aggression. — Desmond Morris, Primate Ethology, 2005 However, allogrooming is one of the most easily ritualized of all social behaviors, and it has been repeatedly and consistently transformed into conciliatory and bonding signals. — Edward O. Wilson, Sociobiology, 1980 Several days after parturition, the mare and foal begin to allogroom. — George H. Waring, Horse Behavior, 2003

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of allogroom

allo- + 2groom

First Known Use: 1974

Seen and Heard

What made you want to look up allogroom? Please tell us where you read or heard it (including the quote, if possible).


feeling or affected by lethargy

Get Word of the Day daily email!