D defs.my
Entry 1 sense Webster, 1913

Sea pass

/sē păs/ · Sea· pass · IPA
01 A document carried by neutral merchant vessels in time of war, to show their nationality; a sea letter or passport. See Passport.
  1. 1.
    A document carried by neutral merchant vessels in time of war, to show their nationality; a sea letter or passport. See Passport. See: Passport