1. A cylindrical (sometimes prismatic or square-shaped) pipe of earthenware, sheet-metal, etc., fitted on the top of a chimney-shaft, to increase the up-draught and carry off the smoke: a chimney-can.
1830. Tennyson, Poems, 13. Why a church is with a steeple built; And a house with a chimneypot?
1883. J. Hatton, in Harper’s Mag., Nov., 829/2. The painter has left his garret among the London chimney-pots.
2. Chimney-pot hat: a colloquial name for the cylindrical black silk hat now worn by men.
1868. Mask, April, 87/2. The chimney-pot hat, the ugliest European head-dress known, in coming down to reasonable proportions.
1885. Graphic, 14 Feb., 165/3. Wearing a chimney-pot hat and a white rosette.
