ˈswealer dial.
Also sweeler; see also swaler.
[f. sweal v. + -er1.]
(See quot. 1877.)
| 1877 N.W. Linc. Gloss., Swealer, a speck of foreign matter in the grease of a candle which causes it to sweal. 1896 N. Munro Lost Pibroch, etc. 121 Had it been shrouds instead of sweelers. |