Wordnet 3.0
NOUN (1)
1.
a pronoun or pronominal phrase (as `each other') that expresses a mutual action or relationship between the individuals indicated in the plural subject;
- Example: "The sentence `They cared for each other' contains a reciprocal pronoun"
WordNet (r) 3.0 (2006):
reciprocal pronoun
n 1: a pronoun or pronominal phrase (as `each other') that
expresses a mutual action or relationship between the
individuals indicated in the plural subject; "The sentence
`They cared for each other' contains a reciprocal pronoun"