dottle

/ˈdɒtəl/

Etymology

From Middle English dottel, dottelle (“a plug or tap of a vessel”), a diminutive of Old English dott (> English dot (“a point”)), equivalent to dot + -le. Related to Old English dyttan (“to stop up, clot”), Dutch dot (“a knot, lump, clod”), Low German Dutte (“a plug”). More at dit.

dottle means A plug or tap of a vessel. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

A plug or tap of a vessel.
A small rounded lump or mass.
The still burning or wholly burnt tobacco plug in a pipe.“1892, Richard Oliver Heslop, Northumberland Words. English Dialect Society - Kegan Paul et al. In refilling a pipe, where twist is smoked, a common practice is to save the dottle and put it on the top of the new-filled pipe. "Aw like a baccy dottle to leet wiv."”
A baby's dummy, pacifier.
A dotard.

verb

To set pottery flatware horizontally on thimbles.

adj

Stupid or senile.“When days and years proclaim you’re old — A dottle, cripple, gouty fellow, Then for support you can lay hold O’ the upright of your umberella.”