Definition of "batten"
batten1
/ˈbæt(ə)n/
verb
third-person singular simple present battens, present participle battening, simple past and past participle battened
(intransitive)
batten2
/ˈbæt(ə)n/
noun
plural battens
(specifically)
(nautical) A long, narrow strip, originally of wood but now also of fibreglass, metal, etc., used for various purposes aboard a ship; especially one attached to a mast or spar for protection, one holding down the edge of a tarpaulin covering a hatch to prevent water from entering the hatch, one inserted in a pocket sewn on a sail to keep it flat, or one from which a hammock is suspended.