barrel in Wingdings is ♌︎♋︎❒︎❒︎♏︎●︎
The hollow basal part of a feather. Barrel bulk (Com.), ameasure equal to five cubic feet, used in estimating capacity, as ofa vessel for freight.-- Barrel drain (Arch.), a drain in the form of a cylindrical tube.-- Barrel of a boiler, the cylindrical part of a boiler, containingthe flues.-- Barrel of the ear (Anat.), the tympanum, or tympanic cavity.-- Barrel organ, an instrument for producing music by the action ofa revolving cylinder.-- Barrel vault. See under Vault.