[f. COCKLE sb.2 + -ER.] One who collects cockles (the shell-fish).
1769. Gray, Wks. (1827), 304. A brother of the trade, a cockler, as he styled him.
1861. Wynter, Soc. Bees, 418. He sees the cocklers busy among the briny pools.
1865. Pall Mall Gaz., 15 Aug., 3/2. Cocklers go out bare-legged.