Meaning

noun soft silky fibers from cotton plants in their raw state

noun fabric woven from cotton fibers

noun erect bushy mallow plant or small tree bearing bolls containing seeds with many long hairy fibers

origin1560s, either from Welsh cydun, cytun (“agree, coincide”) (cyduno, cytuno), from cyd, cyt + un (“one”), literally “to be at one with”, or by metaphor with the textile, as cotton blended well with other textiles, notably wool in hat-making.

Etymology from Wiktionary, CC BY-SA 3.0