Any of several unrelated plants that have downy heads / especially such plants of the genus Froelichia.

plural of cottonmouth

(obsolete, nonce word) Relating to, or composed of, cotton.

plural of cottonade

(US, historical) A government dominated by the cotton industry, as in the United States prior to the Civil War.

plural of cottonweed

Various species of plants from the sedge family, genus Eriophorum

A milder form of smallpox; alastrim.

Without cotton.

Of or relating to Sir Robert Cotton, 1st Baronet, of Connington (1571–1631), antiquarian and bibliophile whose Cotton library became the basis of the British Library.