Brown-Driver-Briggs (BDB)
H631
H631 [ אָסַר ] tie , bind , imprison . . tie , bind , for security . tie , harness . bind , with cords . gird (rare & late) . begin the battle , make the attack . fig. of obligation of oath or vow . be bound , imprisoned . be taken prisoner
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain