a. [ Abbrev. from alongshore. ] Belonging to the seashore or a seaport; along and on the shore. “Longshore thieves.” R. Browning. [ 1913 Webster ]
n.; pl. Longshoremen [ Abbrev. fr. alongshoreman. ] One of a class of laborers employed about the wharves of a seaport, especially in loading and unloading vessels. [ 1913 Webster ]