local. [f. TEASE v.2 + -ING1.] The keeping up of the fire in a furnace. In quot. attrib.

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1894.  Northumbld. Gloss., s.v. Teaser, The glass-house teasers wore broad-brimmed felt hats … to protect them from the scorching fires. They also wore ‘hand-hats’ of thick felt, to enable them to hold the long iron teasing pokers.

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