a. Bot. and Zool. [f. TRI- + L. dentāt-us toothed: see -ATE2 2.] Having three teeth or tooth-like processes; three-pronged, three-pointed.

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1760.  J. Lee, Introd. Bot., II. xxii. (1765), 124. Corolla … either … tridentate; or quinquedentate.

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1852.  Dana, Crust., I. 662. The only species … have the front of the carapax deeply tridentate.

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1856–8.  W. Clark, Van der Hoeven’s Zool., I. 313. Tarsi with tridentate claws.

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  So † Tridentated a. Obs. in same sense.

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1752.  J. Hill, Hist. Anim., 35. The grey Fly … with tridentated marks on the abdomen.

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1822.  J. Parkinson, Outl. Oryctol., 275. Numerous teeth of cartilaginous fishes … triangular,… tricuspidated, tridentated.

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