Scottish National Dictionary (1700–)
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First published 1974 (SND Vol. IX).
This entry has not been updated since then but may contain minor corrections and revisions.
TOMKIN, n. A pear-shaped tool used by plumbers to widen the mouth of lead pipes, a turnpin (Abd., Per. 1972). [′tomkɪn, ′tʌŋkɪn]
[A corruption also found in Eng., of tampion, tompion, Fr. tampon, a plug.]
