Found 2 items, similar to unlash.
English → English (WordNet) Definition: unlash unlash v : untie the lashing of; “unlash the horse” [ant: lash]
English → English (gcide) Definition: Unlash Unlash \Un*lash"\, v. t. [1st un- + lash.] (Naut.) To loose, as that which is lashed or tied down. [1913 Webster]