n. A soft, downy substance, resembling fine wool, consisting of the unicellular twisted hairs which grow on the seeds of the cotton plant. Long-staple cotton has a fiber sometimes almost two inches long; short-staple, from two thirds of an inch to an inch and a half.n. The cotton plant. See Cotten plant, below.n. Cloth made of cotton.verb-intransitive. To rise with a regular nap, as cloth does.verb-intransitive. To go on prosperously; to succeed.verb-intransitive. To unite; to agree; to make friends; -- usually followed by with.verb-intransitive. To take a liking to; to stick to one as cotton; -- used with to.