calcar

1 [kal-kahr]
noun, plural calcaria [kal-kair-ee-uh] . Biology.
a spur or spurlike process.

Origin:
< Latin: spur, equivalent to calc-, stem of calx heel, calx + -ar, shortening of -āre, neuter of -āris -ar1

Dictionary.com Unabridged

calcar

2 [kal-kahr] .
noun, plural calcaria [kal-kair-ee-uh] . Glassmaking.
a reverberatory furnace for preparing frit.

Origin:
1655–65; < Italian calcara < Late Latin calcāria lime-kiln, equivalent to Latin calc- lime (see chalk) + -āria -ary

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
calcar (ˈkælˌkɑː)
 
n , pl calcaria
a spur or spurlike process, as on the leg of a bird or the corolla of a flower
 
[C19: from Latin, from calx heel]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

calcar cal·car (kāl'kär')
n. pl. cal·car·i·a (kāl-kâr'ē-ə)

  1. A small spurlike projection from a structure.

  2. An internal septum at the level of division of arteries and confluence of veins when branches or roots form an acute angle.

  3. A dull spine or projection from a bone.

  4. A horny outgrowth from the skin.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
calcar   (kāl'kär')  Pronunciation Key 
A spur or spurlike projection, such as one found on the base of a petal or on the wing or leg of a bird.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
It has a tiny foot, short forearm, flat skull and keeled calcar.
Calcar slightly keeled and there are long hairs between the toes.
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