What does the cryptic crossword clue "Kidnap sailor on canal (6)" mean?

The definition is "Kidnap". The wordplay uses a charade (building blocks). AB (abbreviation="sailor") + DUCT (synonym="canal") = ABDUCT; definition: "Kidnap" The answer is Abduct.

Kidnap sailor on canal (6)

Telegraph #28810 | 17 Across | 2018-08-06 flower

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