mosser

From moss +‎ -er.

mosser (plural mossers)

1. A person who gathers Irish moss, a type of seaweed.
   • 1942, Fishery Market News, page 27:

     But a mosser with a strong back and a good pair of hands is able to rake in at least 400 pounds during the two hours before and after low tide. […] Moss gathered [by hand] yields a high price for food and drug purposes; […]

mosser n

1. indefinite plural of mos