(philosophy) Russell's teapot

(mathematical analysis) A subset of k-dimensional Euclidean space which is obtained by taking the Cartesian product of k intervals (closed, open, or half-closed) which are subsets of the coordinate axes of the ambient Euclidean space.

plural of cell phone lot

A parking lot for those waiting to retrieve people from, for example, an airport; they can wait in this lot instead of circling until they spot their respective targets.

A door leading to a cellar. / Part of a winery from which wine may be sampled or purchased.

Used other than figuratively or idiomatically: see air cell. / (medicine) A terminal dilation of the bronchiole in lungs or similar organs where gas exchange occurs.

(obsolete) The act or art of engraving or embossing. / (obsolete) An engraving.

(dated) Alternative form of cello (“string instrument”).

Alternative spelling of celestial sphere

(rare) the British Isles.