A type of cravat tied beneath the collar

Initialism of anti-Saccharomyces cerevisiae antibody.

Alternative form of ascariasis

(biology, medicine) Parasitic nematodal helminths of family Ascarididae.

(astronomy, uncommon) An arc of the equator, which is intercepted between the first point of Aries and that point of the equator which rises together with a star, forming an oblique sphere.