proper noun
AstronomyA southern constellation (the Toucan), south of Grus and Phoenix. It contains the Small Magellanic Cloud.
adjective
(also Tucanae)
Astronomy postpositive Used with preceding Greek letter or numeral to designate a star in the constellation Tucana.
- ‘the star Delta Tucanae’
Origin
Modern Latin. Tucanae is the Latin genitive form of Tucana.
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