RhymeZone: tewel definitions

Definitions of tewel:

noun: (now rare) A vent or chimney or pipe, especially one leading into a furnace or bellows.
noun: (obsolete) The anus, rectum or posterior.
noun: A hamlet west of Stonehaven, Aberdeenshire council area, Scotland (OS grid ref NO8285).

(Definitions from Wiktionary)