1. animals born in the same litter to the same mother
Usage: plural form

Examples

• The three puppies were littermates from the same golden retriever.
• These kittens are littermates but have very different personalities.
• The veterinarian recommended keeping the littermates together for a few more weeks.
• All five littermates found homes with different families.
• The two rabbits were littermates who had been raised together since birth.
• Scientists studied the behavior differences between littermates and non-related animals.