Word: nestmate
Part of speech: Noun
Syllables: nest
mate
Definition: One with which a nest is shared, such as a baby bird and its siblings or figuratively a child with children it is raised with.
Morphemes:
Affix: nest
Language: en
PoS: Noun
Meaning: A structure built by a bird as a place to incubate eggs and rear young.
Affix: mate
Language: en
PoS: Verb
Meaning: To pair in order to raise offspring.