noun
packing tape; gummed tape
Wasei-eigo from 'gum tape'; refers to strong adhesive tape used for sealing cardboard boxes, often brown or clear.
wasei-eigo (Japanese-coined English), from gum tape
引っ越しの段ボールをガムテープでしっかり閉じた。
I sealed the moving boxes tightly with packing tape.
Variant with interpunct; rarely used in practice.
セロテープ is transparent office tape, while ガムテープ is heavy-duty packing tape.
Wasei-eigo from English 'gum tape', referring to gummed adhesive tape.