- British capacity unit, Imperial capacity unit - a unit of measure for capacity officially adopted in the British Imperial System; British units are both dry and wet
--1 is a kind of liquid unit, liquid measure; dry unit, dry measure
--1 has particulars:barrel, bbl; minim; fluidram, fluid dram, fluid drachm, drachm; fluidounce, fluid ounce; gill; pint; quart; gallon, Imperial gallon, congius; peck; bushel; firkin; kilderkin; quarter; hogshead; chaldron