lucida

[ loo-si-duh ]

/ ˈlu sɪ də /

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noun, plural lu·ci·dae

[loo-si-dee]. /ˈlu sɪˌdi/. Astronomy.

the brightest star in a constellation.

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Origin of lucida

1720–30; <New Latin, special use of Latin lūcida (stella) bright (star), feminine of lūciduslucid

Theophilus says, "Hoc glutine omnis pictura superlinita lucida fit et decora, ac omnino durabilis."
Blackwood's Edinburgh Magazine, Volume 57, No. 356, June, 1845|Various
Vnde si quis esset extra regionem ignis, terra ista in circumferentia su regionis per medium ignis lucida stella appareret.
The Discovery of a World in the Moone|John Wilkins
The figures were outlined with camera lucida and drawn on the table, close to the base of the microscope, 100 mm.
Ohio Biological Survey, Bull. 10, Vol. 11, No. 6|Bruce Fink and Leafy J. Corrington
The drawings were made with camera lucida and were reduced one-half in making the plates.
Ohio Biological Survey, Bull. 10, Vol. 11, No. 6|Bruce Fink and Leafy J. Corrington

The corpuscles were measured by the ocular micrometer and checked by the aid of a camera lucida.
Journal of Entomology and Zoology: Volume 6, Number 4, December 1914|Various