(architecture) A window or other opening that has an oval or circular shape (as of an eye).

September 27th, 2026

(mathematics, linear algebra, physics) A mathematical object that describes linear relations on scalars, vectors, matrices and other algebraic objects, and is represented as a multidimensional array. [from 18th c.]

September 26th, 2026

(astronomy) A gaseous projection, often loop-shaped, springing from the surface of the Sun or a star.

September 25th, 2026

Domestic fowl (e.g. chickens, ducks, turkeys, geese) raised for food (meat, eggs, or both).

September 24th, 2026