Word.ws English Dictionary

calthrop

calthrop is the alternative form of caltrop.

Meaning of caltrop

Noun

caltrop (plural caltrops)

  1. A metal object, usually small, with spikes arranged so that, when thrown onto the ground, one always faces up as a threat to pedestrians, horses, and vehicles (also used as a heraldic charge).
    • […] her father, the emperor Alexius, who reigned AD 1081-1118, ordered caltrops to be cast in front of his archers […]1858, The journal of the British Archaeological Association
    Synonyms:
    crow's foot, crowfoot, jackrock, cheval trap
  2. (colloquial) The starthistle, Centaurea calcitrapa, a plant with sharp thorns.
    Synonyms:
    knapweed
  3. Any of a number of flowering plants in the family Zygophyllaceae, including several members of the genus Kallstroemia and the species Tribulus terrestris, native to warm temperate and tropical regions.

Proper noun capitalized: Calthrop

Calthrop (plural Calthrops)

  1. A surname.

Forms of calthrop

Noun
pluralcalthrops
Proper noun
pluralCalthrops

Origin of calthrop

Variant of Calthorpe.

Questions about calthrop

What does calthrop mean?
Calthrop means a surname.
What is calthrop the alternative form of?
Calthrop is the alternative form of caltrop.
What part of speech is calthrop?
Calthrop is a proper noun.

Words near calthrop in the dictionary

  1. calthas
  2. calthemite
  3. calthemites
  4. Calthorpe
  5. Calthorpes
  6. calthrop
  7. calthrops
  8. Calthwaite
  9. Calton
  10. Caltons
  11. caltractin

Source and license

Adapted from Wiktionary: calthrop (page history and authors); Calthrop (page history and authors); caltrop (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “calthrop.” Word.ws, https://word.ws/calthrop. Based on Wiktionary, CC BY-SA 4.0.