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

  • n. Any of a genus of kelp, applied to the opening of the cervix in order to stimulate dilation.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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 The Century Dictionary and Cyclopedia

  • n. 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 WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. type genus of the family Laminariaceae: perennial brown kelps


New Latin Lāmināria, from Latin lāmina, thin sheet, leaf.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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