[L.] A herring; a pickle or sauce of small herrings or anchovies.

1

c. 1520.  Andrewe, in Babees Bk. (1868), 230. Alec, the heringe, is a Fisshe of the see … when he is fresshe taken he is a very delicious to be eten.

2

1854.  Badham, Halieut., 71. Alec, like garum, was at once the name of a fish and of a sauce made from it.

3