sagitta

/sə'dʤitə/

Thân thiện

The astronomer points out the small constellation Sagitta in the night sky.

Definition

1. Noun:
   • A small constellation in the northern hemisphere: "Sagitta" is the Latin name for a specific, faint constellation located between the larger constellations of Cygnus and Aquila. It is depicted as an arrow and is one of the 88 modern constellations.
   • Any arrowworm of the genus Sagitta: In zoology, "Sagitta" refers to a genus of small, transparent, planktonic marine worms, commonly known as arrowworms, which are part of the phylum Chaetognatha.

Examples of Usage

• Noun (Astronomy): Sagitta is one of the smallest constellations in the night sky.Although faint, Sagitta can be found along the band of the Milky Way.

• Noun (Zoology): The biologist studied a specimen of Sagitta under the microscope.Arrowworms of the genus Sagitta are important predators in marine plankton communities.

Advanced Usage

• Capitalization: The word is always capitalized when referring to the constellation, as it is a proper noun (e.g., ). In zoological contexts, the genus name is also italicized and capitalized (e.g., ).

Variants and Related Words

• Sagittarius (n): A different, much larger zodiac constellation representing an archer. While the names share a Latin root ( means "arrow"), they refer to distinct celestial figures.
• Sagittal (adj): An anatomical term (e.g., ) derived from the same Latin root, relating to an arrow-like shape or direction.

Synonyms

• The Arrow: A common English name for the constellation Sagitta.
• Arrowworm: The common name for organisms in the genus .

Related Phrases

• "Sagitta constellation": The full term to specify the astronomical object.
• "Genus Sagitta": The full term to specify the biological taxon.

Học thuật

Noun

1. any arrowworm of the genus Sagitta
2. a small constellation in the northern hemisphere between Cygnus and Aquila and crossed by the Milky Way

Từ đồng nghĩa

• sagitta