(redirected from Laser (resin))
Also found in: Thesaurus.


1. An extinct North African plant, often classified in the genus Ferula, that produced a resin that was a popular seasoning in ancient Greece and Rome. It became extinct in antiquity, probably from overharvesting and overgrazing.
2. A plant of the genus Silphium, such as the compass plant.

[Latin, from Greek silphion, perhaps of North African origin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Plants) an American flowering wild plant of the family Asteraceae
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.silphium - tall North American perennial herbsSilphium - tall North American perennial herbs
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
rosinweed, Silphium laciniatum - North American perennial having a resinous odor and yellow flowers
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.