limber hole

limber hole

[′lim·bər ‚hōl]
(naval architecture)
A drainage hole running through the bottom of the frame of ship.
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References in periodicals archive ?
Check limber holes and ensure they are clear of debris.
Do both sides of the frames, but don't cover the limber holes.
Use a mini hacksaw to cut the remaining tabs of the frames and limber holes, and remove the waste (Photo 3).