[f. prec.]
1. trans. To calculate the amount of ullage in (a cask).
1749. W. Yeo (title), The Method of Ullaging and Inching all sorts of Casks and other Utensils used by Common Brewers, Victuallers, Distillers, &c.
1832. S. Roose, Ullaging, 11. To Ullage a Cask in the form of the frustum of a Cone.
2. a. To draw or tap to a slight extent. b. To fill up again (an ullaged cask, etc.).
1881. Standard, 3 Oct., 2/1. There … a cask of some rare vintage was ‘ullaged,’ with a biscuit and cheese accompaniment.
1888. Wine, Sp. & Beer, 8 March, 186/1. To stir in some pure olive oil … and then flood the oil out by ullaging.
Hence Ullaging vbl. sb.
1749. W. Yeo, Ullaging & Inching, p. iii. That part of it [sc. gauging] which relates to the Ullaging of Casks.
1832. S. Roose, Ullaging, 5. The Ullaging of a Cask is to find how much liquor there is in it, when it is not full.
