colloq. Also thummy, -ie. [f. THUMB sb. + -Y, dim. suffix.] A little thumb; a kind of pet-name for the thumb.

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1811.  W. Tennant, Anster Concert, in Life (1861), 26. He never fashed his thummie.

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1859.  Lang, Wand. India, 265. The little finger replied: ‘Who told you so, Thummy, Thummy?’

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1866.  ‘R. B. Paul,’ Lett., in Mem., xx. (1872), 353. Now thumby is beginning to make a grumble.

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