? dial. A small flask, a phial.

1

1727.  W. Mather, Yng. Man’s Comp., 92. Put a Pennyworth of the Spirit of Vitriol in a Thumb Bottle.

2

1782.  Wolcott (P. Pindar), Odes R. Acad., iii. 48. A walking thumb-bottle of aqua-fortis.

3

1830–3.  Carleton, Traits, etc., Irish Peas. (1843), I. 44. If I don’t cork you in a thumb-bottle for this, I’m not here.

4