n. [ML. calcitrapa, a four-pointed weapon used to obstruct enemy movements]
A tetraxon spicule with four rays more or less equal.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • Calthrop — may refer to: * Caltrop a weapon used against cavalry. * Donald Calthrop English film actor. * Everard Calthrop a British railway engineer and inventor …   Wikipedia

  • calthrop — noun see caltrop …   New Collegiate Dictionary

  • Calthrop — Small device scattered on the ground to injure and make any passing horses lame (or later to puncture rubber tyres). It has four metal spikes forming the four corners of a tetrahedron so that one metal spike will always points upwards.… …   Medieval glossary

  • calthrop — cal·throp …   English syllables

  • calthrop — noun see caltrop …   Useful english dictionary

  • Everard Calthrop — Infobox Person name = Everard Richard Cathrop caption = birth date = 3rd March 1857 birth place = Deeping St Nicholas, UK death date = 30th March, 1927 death place = London, UK other names = known for = Developing the Barsi Light Railway in India …   Wikipedia

  • Donald Calthrop — Born 11 April 1888(1888 04 11) Chelsea London, England Died 15 July 1940( …   Wikipedia

  • Godfrey Calthrop — Superherobox| caption= comic color=background:#ff8080 character name=Godfrey Calthrop real name=Godfrey Calthrop species= publisher=Marvel Comics debut= Uncanny X Men #473 creators=Chris Claremont Roger Cruz alliance color=background:#cccccc… …   Wikipedia

  • Donald Calthrop — Données clés Naissance 11 avril 1888 Londres, Angleterre Nationalité Britannique Décès …   Wikipédia en Français

  • Barsi Light Railway — The Barsi Light Railway was a convert|202|mi|km|sing=on long convert|2|ft|6|in|mm|0|abbr=on gauge railway in western India. It was the brainchild of British engineer Everard Calthrop, and was regarded as having revolutionised narrow gauge railway …   Wikipedia

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