From The Collaborative International Dictionary of English v.0.48: Unlash \Un*lash"\, v. t. [1st un- + lash.] (Naut.) To loose, as that which is lashed or tied down. [1913 Webster]
Unlash \Un*lash"\, v. t. [1st un- + lash.] (Naut.) To loose, as that which is lashed or tied down. [1913 Webster]