Batten down and Roll up

Batten down verb - Furnish with battens.

Roll up and batten down are semantically related. In some cases you can use "Roll up" instead a verb "Batten down".

Roll up verb - To become greater in size, extent, volume, amount, or number.

Batten down and roll up are semantically related. Sometimes you can use "Batten down" instead a verb "Roll up".