(mathematics, geometry) A space where the principles of Euclidean geometry apply.

plural of Euclidian space

(anatomy) A site within the larynx whose lateral border is the thyroid cartilage and posterior (dorsal) border is the pyriform sinus.

(typography) Of a character: combined with another and so not consuming additional horizontal space.

(poker slang) A poker hand containing only a pair of aces / (bridge slang) A bridge hand with opening points based primarily on aces, so that there are not enough winners.

(slang) Cake as an edible infused with THC / psychoactive extraction of cannabis, usually in the form of cannabutter.

A parking space reserved for handicapped people.

plural of waste of space

An utterly worthless person, one unworthy of the space which they occupy.

(neuroanatomy) The space between the arachnoid mater and the pia mater that surrounds the brain and spinal cord, through which the cerebrospinal fluid circulates and major blood vessels pass, and across which extend delicate trabeculae of connective tissue.