sellotape/ˈsɛləteɪp/EtymologyFrom genericized trademark Sellotape, from cello(phane) + tape. The spelling with S- was to avoid an existing trademark on the word Cellophane itself.sellotape means Adhesive tape. Lexicurio rates it Sui generis — a strength score of 95 out of 100.nounAdhesive tape.A brand of adhesive tape (and similar products) similar to Scotch tape (US).verbTo seal with adhesive tape.“The door was slightly ajar, with a newspaper cartoon sellotaped to it:”