let down

a four-wheel covered carriage with a roof divided into two parts (front and back) that can be let down separately

Any one of a number of long, thick pieces of timber, pointed and shod with iron, and suspended, each by a separate rope, over a gateway, to be let down in case of attack. n

Formerly, a light, low, four-wheeled carriage, with standing top, open at the sides, but having waterproof curtains which could be let down when occasion required

To let down the cock of, as a firearm. v