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sea lettuce

Definition of sea lettuce

noun

[mass noun]
  • an edible seaweed with green fronds that resemble lettuce leaves.
    • Ulva lactuca, division Chlorophyta

sea lettuce in other Oxford dictionaries

Definition of sea lettuce in the US English dictionary

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offing

/ ˈɒfɪŋ /
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the more distant part of the sea in view …