There are 2 main definitions of spica in English:

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spica 1

Pronunciation: /ˈspīkə/

noun

Medicine
A bandage folded into a spiral arrangement resembling an ear of wheat or barley.
Example sentences
  • Current treatment for this type of fracture is a thumb spica, but some evidence suggests that the thumb could be omitted from the cast.
  • As a basic rule, in a patient with a clinically suspected scaphoid fracture but negative initial radiographs, it is reasonable to apply a short arm thumb spica and re-evaluate the patient in two weeks.

Origin

Late 17th century: from Latin, literally 'spike, ear of corn'; related to spina 'spine'. The current sense is influenced by Greek stakhus 'ear of wheat'.

For editors and proofreaders

Syllabification: spi·ca

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There are 2 main definitions of spica in English:

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Spica 2

Pronunciation: /ˈspīkə/
Astronomy
The brightest star in the constellation Virgo.

Origin

Latin, literally 'ear of wheat (in the hand of the goddess)'.

For editors and proofreaders

Syllabification: Spi·ca

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