I. ˈkrim-zən noun
Etymology: Middle English crimisin, from Old Spanish cremesín, from Arabic qirmizī, from qirmiz kermes
Date: 15th century
: any of several deep purplish reds
II. adjective
Date: 15th century
: of the color crimson
III. verb
Date: 1601
transitive verb
: to make crimson
intransitive verb
: to become crimson ; especially : blush