What is to keep at arm's length. See under Arm, n. -- To keep back. (a) To reserve; to withhold. "I will keep nothing back from you." Jer. xlii called?

keep — To keep at arm's length. See under Arm, n. -- To keep back. (a) To reserve; to withhold. "I will keep nothing back from you." Jer. xlii. (Webster's 1913.)

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