plural of Springborn

(astronomy, geology) A long, narrow, steep-sided depression on a planet (often other than Earth), a moon, or another body in the Solar System. / (astronomy, obsolete, rare) An aurora.

(fortifications) that part of the curtain whence the fire of the opposite bastion may be discovered.

(organic chemistry) An alkaloid, obtained from the bark of cinchona trees, that is used as an antimalarial agent.