Definition of each other
: each of two or more in reciprocal action or relation <looked at each other in surprise>
Usage Discussion of each other
Some handbooks and textbooks recommend that each other be restricted to reference to two and one another to reference to three or more. The distinction, while neat, is not observed in actual usage. Each other and one another are used interchangeably by good writers and have been since at least the 16th century.
Before 12th Century
First Known Use of each other
before 12th century
EACH OTHER Defined for English Language Learners
Definition of each other for English Language Learners
: each of two or more people, animals, etc., who are doing something together or in relationship to the other or others in the group
EACH OTHER Defined for Kids
Definition of each other for Students
: each of two or more in a shared action or relationship <They greeted each other.>
Seen and Heard
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