Sea lettuce
Lettuce Let"tuce (l[e^]t"t[i^]s), n. [OE. letuce, prob. through Old French from some Late Latin derivative of L. lactuca lettuce, which, according to Varro, is fr. lac, lactis, milk, on account of the milky white juice which flows from it when it is cut: cf. F. laitue. Cf. {Lacteal}, {Lactucic}.] 1. (Bot.) A composite plant of the genus {Lactuca} ({Lactuca sativa}), the leaves of which are used as salad. Plants of this genus yield a milky juice, from which lactucarium is obtained. The commonest wild lettuce of the United States is {Lactuca Canadensis}. [1913 Webster]

2. United States currency; dollar bills; greenbacks. [slang] [PJC]

{Hare's lettuce}, {Lamb's lettuce}. See under {Hare}, and {Lamb}.

{Lettuce opium}. See {Lactucarium}.

{Sea lettuce}, certain papery green seaweeds of the genus {Ulva}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Sea lettuce — Sea let tuce (Bot.) The green papery fronds of several seaweeds of the genus {Ulva}, sometimes used as food. [1913 Webster] …   The Collaborative International Dictionary of English

  • sea lettuce — n. any of a genus (Ulva) of marine green algae with edible, leaflike parts …   English World dictionary

  • Sea lettuce — Taxobox name = Sea lettuce image caption = Ulva lactuca regnum = Plantae phylum = Chlorophyta classis = Ulvophyceae ordo = Ulvales familia = Ulvaceae genus = Ulva genus authority = Linnaeus, 1753 subdivision ranks = Species subdivision = See text …   Wikipedia

  • sea lettuce — any seaweed of the genus Ulva, having large leaflike blades. [1660 70] * * * ▪ algae genus  (Ulva), a genus of green algae usually found growing on rocky shores of seas and oceans. Some species also grow in brackish water rich in organic matter… …   Universalium

  • sea lettuce — sea′ let tuce n. mcr any seaweed of the genus Ulva[/ex] …   From formal English to slang

  • sea lettuce — noun an edible seaweed with green fronds that resemble lettuce leaves. [Ulva lactuca.] …   English new terms dictionary

  • sea lettuce — /ˈsi lɛtəs/ (say see letuhs) noun a form of intertidal algae, Ulva lactuca, said to resemble lettuce leaves, and used as bait …   Australian English dictionary

  • sea lettuce — noun Date: 1668 any of a genus (Ulva) of marine green algae with broad fronds sometimes eaten as salad or used in soups …   New Collegiate Dictionary

  • sea lettuce —    Īlioha a, līpaha, līpahapaha, pahapaha, līpālahalaha, pakaiea, pālahalaha. See seaweed …   English-Hawaiian dictionary

  • sea lettuce — noun seaweed with edible translucent crinkly green fronds • Syn: ↑laver • Hypernyms: ↑green algae, ↑chlorophyte • Member Holonyms: ↑Ulva, ↑genus Ulva …   Useful english dictionary

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