v. 筑坝；控制（dam 的过去式和过去分词）

Dam \Dam\, v. t. [imp. & p. p. {Dammed} (d[a^]md); p. pr. & vb.
n. {Damming}.]
1. To obstruct or restrain the flow of, by a dam; to confine
by constructing a dam, as a stream of water; -- generally
used with in or up.

I'll have the current in this place dammed up.
--Shak.

A weight of earth that dams in the water.
--Mortimer.

2. To shut up; to stop up; to close; to restrain.

The strait pass was dammed
With dead men hurt behind, and cowards. --Shak.

{To dam out}, to keep out by means of a dam.