sagitta
Speech parts
1. sagitta - Noun
2. Sagitta - Proper noun
Meaning
A small constellation north of Aquila; the Arrow.
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.
The larger of the two otoliths, or ear bones, found in most fishes.
A genus of transparent, free-swimming marine worms having lateral and caudal fins, and capable of swimming rapidly. It is the type of the class Chaetognatha.
Source: Webster's dictionarySynonyms
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Examples
Ancient Greece Sagitta can be seen above Aquila in this plate from Urania's Mirror (1825).
Richard Copsey argues that the Ignea Sagitta was unknown until the early fifteenth century, raising the question whether it was ever publicly issued.