Definition of "littermates" [littermates]

• Plural form of littermate. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Krm2-deficient mice to 24 weeks of age and observed a marked increase of the trabecular bone volume compared to wildtype littermates, which is caused by a more than three-fold increase of bone formation."
• "The Lannisters and their minions were responsible for most of the disturbing scenes: Joffrey (Jack Gleeson) gleefully bullying Mycah, the butcher boy; the casual way Mycah's dead body was draped over a horse; and the senseless killing of Sansa's direwolf Lady (which triggered her direwolf littermates and Bran into wakefulness)."
• "Much to our surprise, the mice with the gene deletion developed less hypertrophy than their normal littermates."