Sandwich Filling With Fish, Mayonnaise, Celery

This page is the CodyCross answer for the clue below from All Things Water, Group 1283, Puzzle 5 (Amazon River).

Question is: Sandwich Filling With Fish, Mayonnaise, Celery

and the answer is: TUNASALAD

Word Meaning:

TUNA SALAD — A type of salad consisting of a blend of tuna and mayonnaise, usually pre-cooked, canned, and packaged in water or oil.

Definitions from Wiktionary.