from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various kelps of the genera Laminaria and Saccharina of temperate and arctic waters, used commercially in foodstuffs, dietary supplements, and medicinal products.
  • noun A small rod formed of dehydrated laminaria tissue, applied to the cervical os to stimulate dilation.

from The Century Dictionary.

  • noun A genus of darkspored seaweeds, belonging to the natural order Laminariaceæ, having no definite leaves, but a plain ribless expansion, flat and bladelike (whence the name), which is either simple or cloven.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) A genus of great seaweeds with long and broad fronds; kelp, or devil's apron. The fronds commonly grow in clusters, and are sometimes from thirty to fifty feet in length. See Illust. of kelp.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun type genus of the family Laminariaceae: perennial brown kelps


from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin Lāmināria (from Latin lāmina, thin sheet, leaf).]



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