Definition of "bidentate" []

• Having two teeth or toothlike parts. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Role for a bidentate ribonuclease in the initiation step of RNA interference."
• "_Thorax_, oblong-ovate in the _female_, in the _worker_ transverse in front and narrowed behind with the metathorax bidentate; the anterior wings with one elongate marginal cell and two submarginal cells, the second extending to the apex of the wing; the legs stout, the femora incrassate; abdomen ovate, the peduncle with two nodes."
• "Black; the head and thorax very closely punctured, thinly clothed with griseous pubescence, that on the face, thorax beneath, and on the coxæ most dense and glittering; antennæ more slender than is usual in this genus, and tapering to their apex, the joints slightly subarcuate; the mandibles bidentate at their apex and with a yellow spot at their base."