pocket-handkerchief pocket-handkerchief /ˈpɒkɪtˌhæŋkərʃɪf/

noun

1. A handkerchief that is carried in a pocket  ( pocket-handkerchief )
   a handkerchief that is carried in a pocket
    Robert always has a neatly folded pocket-handkerchief in his suit jacket.
   Robert always has a neatly folded pocket-handkerchief in his suit jacket.