a band of material used to stiffen or finish a garment
shirtband in American English
(ˈʃɜːrtˌbænd)
noun
a band of material sewn into a shirt for stiffening, finishing, or the like, as a neckband to which the collar is sewn or buttoned
Word origin
[1525–35; shirt + band2]This word is first recorded in the period 1525–35. Other words that entered Englishat around the same time include: folio, inflection, mask, qualify, secure