Sc. form of CASTOCK, cabbage-stalk.
1785. Burns, Halloween, v. An’ gif the custock’s sweet or sour, Wi’ joctelegs they taste them.
a. 1810. Tannahill, Poems (1846), 80. A heart not worth a custock.
1871. C. Gibbon, Lack of Gold, x. 26/2. Here’s a fine custock.
