Whelk \Whelk\, n. [OE. whelke, dim. of whele. See {Wheal} a
pustule.]
1. A papule; a pustule; acne. ``His whelks white.''
--Chaucer.
2. A stripe or mark; a ridge; a wale.
{Chin whelk} (Med.), sycosis.
{Rosy whelk} (Med.), grog blossom.