• WordNet 3.6
    • adj dentate having toothlike projections in the margin
    • ***
Webster's Revised Unabridged Dictionary
    • Dentate (Zoöl) Having teeth or toothlike points. See Illust. of Antennæ.
    • Dentate (Bot) Toothed; especially, with the teeth projecting straight out, not pointed either forward or backward; as, a dentate leaf.
    • ***
Century Dictionary and Cyclopedia
    • dentate Toothed; notched. Specifically— In botany, in a general sense, having a toothed margin; more especially, having acute teeth which project outward: as, a dentate leaf; or having tooth-like projections: as, a dentate root
    • ***
Chambers's Twentieth Century Dictionary
    • adj Dentate den′tāt toothed: notched: set as with teeth.
    • ***


Webster's Revised Unabridged Dictionary
L. dentatus, fr. dens, dentis, tooth
Chambers's Twentieth Century Dictionary
L. dentatus, toothed, dens, a tooth.


In literature:

Moreover, it bears a paler blossom, more coarsely dentate leaves, often decidedly taper-pointed, and usually several stems together.
"Wild Flowers Worth Knowing" by Neltje Blanchan
Leaves broad and slightly dentated.
"Hardy Ornamental Flowering Trees and Shrubs" by A. D. Webster
It is semicircular in shape, sharp, and finely dentated, and is perforated by eight to ten large foraminae.
"Diseases of the Horse's Foot" by Harry Caulton Reeks
The two upper wings are slightly dentated, the lower dentations being marked with white spots.
"Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]" by Phillip Parker King
Olla with zigzag band around the neck and four dentate bands around the body.
"Illustrated Catalogue of the Collections Obtained from the Indians of New Mexico in 1880" by James Stevenson
The leaves are very large, pedate, dentate, and distinctly veined.
"Hardy Perennials and Old Fashioned Flowers" by John Wood
This is called the dentate, or tooth.
"The Wonder Island Boys: Exploring the Island" by Roger Thompson Finlay
Their margin is stained with purple, and a little dentated or toothed in some cases, but not in all.
"The Field and Garden Vegetables of America" by Fearing Burr
A dentated weapon for striking and holding eels.
"The Sailor's Word-Book" by William Henry Smyth
The walls of the ray-tracheids may be smooth or dentate; the pits of the ray-cells may be large or small.
"The Genus Pinus" by George Russell Shaw
Margin dentate by sterile flap.
"The Mushroom, Edible and Otherwise" by M. E. Hard
The leaves are simple, palmately lobed, round-dentate or heart-shaped-dentate.
"Manual of American Grape-Growing" by U. P. Hedrick
The body is globular, the neck is very short and is ornamented with a dentate band.
"Ancient Pottery of the Mississippi Valley" by William H. Holmes
It was vacancy bounded by a rough, serrate-dentate coast of decayed boards.
"The Atlantic Monthly, Volume 16, No. 95, September 1865" by Various
Lamellae or gills dentated or toothed.
"Student's Hand-book of Mushrooms of America, Edible and Poisonous" by Thomas Taylor
A rather unusual type of scalloped dentation lends additional interest.
"Remodeled Farmhouses" by Mary H. Northend
The leaves of these trees are very large, rather deeply dentated, and less downy than those of the Calvilles.
"American Pomology" by J. A. Warder
Bill somewhat finch-like but more swollen in outline; the upper mandible, in typical forms, toothed or dentate.
"Color Key to North American Birds" by Frank M. Chapman
Involucre double, the inner shorter, of 2 or more dentate and deeply cleft leaves.
"The Manual of the Botany of the Northern United States" by Asa Gray
Posterior wings orbicular, entire, rarely dentated.
"Zoological Illustrations, Volume III" by William Swainson

In news:

External hemorrhoids (a single lesion is shown here) are found below the dentate line (the division between squamous epithelium distally and transitional columnar epithelium proximally) and so are covered by skin.
They found a correlation between elevated blood glucose levels and reduced cerebral blood volume, or blood flow, in the dentate gyrus, an indication of reduced metabolic activity and function in that region of the brain.
The authors conclude that prescription of sugar-free chew ­­ing gum to den­tate older people living in the community and attending routine dental services was not associated with a significant in­crease in stimulated saliva flow.

In science:

Nonrandom connectivity of the epileptic dentate gyrus predicts a ma jor role for neuronal hubs in seizures.
Interplay between Network Topology and Dynamics in Neural Systems
THG97] Toth Z, Hollrigel G, Gorcs T, and Soltesz I: Instantaneous Perturbation of Dentate Interneuronal Networks by a Pressure Wave Transient Delivered to the Neocortex. The Journal of Neuroscience 17(7);8106-8117; 1997.
The Ballistic Pressure Wave Theory of Handgun Bullet Incapacitation