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Beyond what is due, usual, expected, or necessary; additional; supernumerary; also, extraordinarily good; superior; as, extra work; extra pay. "By working extra hours." H. Spencer.

A Latin preposition, denoting beyond, outside of; -- often used in composition as a prefix signifying outside of, beyond, besides, or in addition to what is denoted by the word to which it is prefixed.

Inserted exterior to the eyes; -- said of the antennæ of certain insects.

Not prescribed by official duty.

Outside of the uterus, or womb. Extra-uterine pregnancy (Med.), a condition of pregnancy in which the fetus is not in the uterus, but in the Fallopian tube or in the abdominal cavity.

Situated outside of a joint.

Growing outside of the axils; as, an extra-axillary bud.

Outside of the branchial arches; -- said of the cartilages thus placed in some fishes.

Situated outside of a capsule, esp. outside the capsular ligament of a joint.

ll out; to remove forcibly from a fixed position, as by traction or suction, etc.; as, to extract a tooth from its socket, a stump from the earth, a splinter from the finger. The bee Sits on the bloom extracting liquid sweet. Milton.

Capable of being extracted.

Having the form, appearance, or nature, of an extract.

The act of extracting, or drawing out; as, the extraction of a tooth, of a bone or an arrow from the body, of a stump from earth, of a passage from a book, of an essence or tincture.

Capable of being extracted. "Thirty grains of extractive matter." Kirwan.

One who, or that which, extracts; as:

Consisting not in words, but in realities. [Obs.] Of these extradictionary and real fallacies, Aristotle and logicians make in number six. Sir T. Browne.

Subject, or liable, to extradition, as a fugitive from justice.

To deliver up by one government to another, as a fugitive from justice. See Extradition.

The surrender or delivery of an alleged criminal by one State or sovereignty to another having jurisdiction to try charge.

The exterior curve of an arch; esp., the upper curved face of the whole body of voussoirs. See Intrados.