Definition of Caltrop

1. Noun. Tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed.

Exact synonyms: Devil's Weed, Tribulus Terestris
Group relationships: Genus Tribulus, Tribulus
Generic synonyms: Subshrub, Suffrutex



2. Noun. A plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits.

3. Noun. Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America.
Exact synonyms: Centauria Calcitrapa, Star-thistle
Generic synonyms: Centaury

Definition of Caltrop

1. n. A genus of herbaceous plants (Tribulus) of the order Zygophylleæ, having a hard several- celled fruit, armed with stout spines, and resembling the military instrument of the same name. The species grow in warm countries, and are often very annoying to cattle.

Definition of Caltrop

1. Noun. (weaponry) A small, metal object with spikes arranged so that, when thrown onto the ground, one always faces up as a threat to passers-by. ¹

2. Noun. (colloquial) The starthistle, ''Centaurea calcitrapa'', a plant with sharp thorns. ¹

3. Noun. A flowering plant, ''Tribulus terrestris'', in the family Zygophyllaceae, native to warm temperate and tropical regions of the Old World. ¹

¹ Source: wiktionary.com

Definition of Caltrop

1. a spiny plant [n -S]

Caltrop Pictures

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Lexicographical Neighbors of Caltrop

calquing
calregulin
calreticulin
calreticulins
calretinin
calretinins
calsequestrin
calspectin
calthas
calthrop
calthrops
caltractin
caltrap
caltraps
caltrop (current term)
caltrops
calumbas
calumbin
calumet
calumetite
calumets
calumnate
calumniate
calumniated
calumniates
calumniating
calumniation
calumniations

Literary usage of Caltrop

Below you will find example usage of this term as found in modern and/or classical literature:

1. An Illustrated Flora of the Northern United States, Canada and the British by Nathaniel Lord. Britton, Hon. Addison. Brown (1913)
"caltrop FAMILY. Herbs, shrubs, or some tropical species trees, ... [Greek, three-pronged, caltrop, from the resemblance of the fruit to that implement. ..."

2. The New Italian, English, and French Pocket Dictionary: Carefully Comp. from by Ferdinando Bottarelli, Gaetano Polidori (1820)
"... s. calme, calma Calot, s. culotte, beretta caltrop, ... tribolo ) CAN , caltrop, s. chausse-trape, ..."

3. Scientific and Applied Pharmacognosy for Students of Pharmacy, and by Henry Kraemer (1915)
"E. OR caltrop FAMILY. The plants are mostly herbs and shrubs which are widely distributed in warm-tropical regions. The leaves arc mostly opposite, ..."

4. Winston's Cumulative ... Encyclopedia: A Comprehensive Reference Bookby Charles Morris by Charles Morris (1917)
"The water caltrop ford and Cambridge. He wrote little, but is Trapa notons, the fruit of which has the poems in his Versee and Translations several horns ..."

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