1. To use diligently; wield: ply a knitting needle.2. To engage in diligently; practice: plied the carpenter's trade. See synonyms at handle. 3. To traverse or sail over regularly: Trading ships plied the routes between coastal ports.4. To continue offering something to; ensure that (another) is abundantly served: plied their guests with excellent food.5. To assail vigorously.
INTRANSITIVE VERB:
1. To traverse a route or course regularly: The boat plies between the islands on a weekly schedule.2. To perform or work diligently or regularly: plied at the weaver's trade for 20 years.3.Nautical To work against the wind by a zigzag course; tack.
ETYMOLOGY:
Middle English plien, from applien, to apply. See apply.
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