sealer2 n (a) Device for fastening lid on a tin can; (b) person who operates the device.
[1926] 1933 GREENLEAF (ed) 251 "Change Islands Song": They got three cases of berries, minus of one can. / They had a patent sealer, driven by the second hand; / Torreville turned the handle; 'twas he who spoiled the can. 1975 BUTLER 71 When this [lobster] factory was in full production, Oates employed thirty men and women. He brought his own tinsmiths and sealers with him ... to seal the tins... The sealers would then seal the tins by hand.
