D defs.my
Entry 1 sense Webster, 1913

iron-on

· i·ron-on · IPA
01 a. Able to be attached (to clothing) by applying pressure and heat, as with a hand iron; -- of cloth items specially made with a glue that is …
  1. 1.
    Able to be attached (to clothing) by applying pressure and heat, as with a hand iron; -- of cloth items specially made with a glue that is softened by heat; -- used especially of patches to clothing or accessories to clothing, such as replacement pockets.