Alternative form of schelm (“a villain or scoundrel”)

(agriculture) A disease of beets, gourds, and other plants, often caused by the virus Beet curly top virus, which results in stunted or misshapen growth and curled or puckered leaves.

Confusion between similar letter sequences with minims (such as uu and nn) in old handwritten documents.

(Singapore, mnemonic, trigonometry, humorous) Synonym of SOHCAHTOA