batten down
(redirected from battening them down)batten down
To close, fasten, or secure something with battens, flexible strips of wood or plastic used to hold material down. A noun or pronoun can be used between "batten" and "down." Be sure to batten the sails down before the storm gets any worse!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.