Battened is a word that refers to securing or fastening something tightly. Some synonyms for Battened include tightened, clamped, secured, anchored, and lashed. Other synonyms include fixed, fastened, affixed, snug, cinched, and strapped. Each of these words has a slightly different connotation, but they all share the same sense of binding and securing something firmly in place. For example, tightened suggests making something snug and secure, while anchored implies tying something down to prevent it from drifting. Regardless of the specific word used, the meaning is clear - Battened refers to ensuring that something is held securely in place.