sagitta

See also: Sagitta

English

English Wikipedia has an article on:

sagitta

Wikipedia

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Etymology

Borrowing from Latin sagitta (“an arrow, shaft, bolt”).

Pronunciation

• IPA^(key): /səˈd͡ʒɪt.ə/

• Audio (US):

  (file)

• Rhymes: -ɪtə

Noun

sagitta (plural sagittas or (arrowworm) sagittae)

1. The keystone of an arch.
2. (geometry) The distance from a point in a curve to the chord; also, the versed sine of an arc; so called from its resemblance to an arrow resting on the bow and string.
3. (zootomy) The larger of the two otoliths, or earbones, found in most fishes.
4. Any arrowworm, of the genus Sagitta.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “sagitta”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)

Related terms

• sagittal

Translations

distance from a point in a curve to the chord

Catalan: sagita (ca) f Chinese: Mandarin: 矢 (zh) (shǐ) Polish: strzałka (pl) f

arrowworm

Chinese: Mandarin: 矢蟲 / 矢虫 (shǐchóng)

References

• “sagitta”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.