Other forms: splicing, spliced, splices
To splice is to join two lengths of film or tape together. Splice the film, a clean splice, spliced together.
The join is made so that it carries load or plays through without a break, which is the point in every use — rope, film, cable and genes. Gene splicing borrowed the word directly. Splice the mainbrace is a naval order to serve a drink. Note that the word came from Dutch and is related to split.
1verbspliceTo join two lengths of film, tape or rope together.
“The sailor spliced the two ends of the rope so neatly that you couldn't see the join.”
splice is a joining.
Middle Dutch splissen is related to splitten, to split. The rope-working sense came into English with Dutch seamanship.
Middle Dutch
splissen
English, today
splice
Circa 1525, borrowed from Middle Dutch splissen (Modern Dutch splitsen); akin to Middle Dutch splitten (“to split”), German spleißen (“to split, splice”), Spliss (“split ends, hair breakage”), French épisser also from Dutch. The Dutch word originally referred only to the fraying of the ropes' ends but was then also used for the entire process of fraying and retying; hence the peculiar semantic development from “split” to “join”. The same development occurred in German.
Etymology from Wiktionary, CC BY-SA