n. A peculiar distinguishing mark or device affixed by a manufacturer or a merchant to his goods, the exclusive right of using which is recognized by law. [ 1913 Webster ]
[puchipuchi ; puchipuchi] (adv-to, adv, vs) (1) (on-mim) sound of bubbles (or other small objects) being popped; (2) (on-mim) lumpy sensation (e.g. of food); (n) (3) little bits; small grains; (4) (プチプチ only) (See 気泡緩衝材) bubble wrap (trademark of Kawakami Sangyo Co.)