A trademark used for a pocket-sized cassette player, compact disk player, radio, or combined unit with lightweight earphones
{i} ® (Trademark) Sony Corporation brand name of small portable radio/cassette player with headphones that can also be used while walking
A Walkman is a small cassette player with light headphones which people carry around so that they can listen to music, for example while they are travelling. = personal stereo. a small cassette player with headphones, that you carry with you so that you can listen to music = personal stereo