plughole

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plughole

[′pləg‚hōl]
(mining engineering)
A passageway left open while an old portion of a mine is sealed off, to help maintain normal ventilation; it is sealed when the work is finished.
A hole for an explosive charge or for a bolt.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
He pulled the plug and watched the scraps Floating underneath the taps To the plughole, going straighter Than north or south of the Equator.
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But it got the shower plughole clear in no time and had the water running smoothly for the first time in days.
MRS MOP
PLUGHOLES in the bathroom can quickly fill up with the residue of shampoo and bath oil.
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Visiting pupils, from an unnamed school, stuffed guide books down the U-bends of lavatories and sink plugholes before turning on the water.
Chaos as girl gang flood Dail
They've managed without it for long enough and frankly that's about all they've had going for them: Whatever else we've chucked at them, at least mice have never had to put up with with bad hair days, blocked plugholes and David Ginola shampoo adverts.
Johnny Vaughan column: The bald fact is, we're not nice to mice
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