Each the other. Used to indicate that a relationship or an action is reciprocal among the members of the set referred to by the antecedent: The boys like each other. (pronoun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "each other" in a sentence
"As it was, the two players raised and reraised each other all-in, and then chopped the pot, each with the same hand, a full house, aces over threes."
"The two steel beams will stand alongside each other in the same configuration as Tower One and Two at Ground Zero on a downtown square along the White River Canal, next to Station 13 and several state buildings, he said."
"Their sweat-slicked bodies slid against each other as spasms wracked her body."