The terrorist attacks that took place in the United States on September 11, 2001.

(anatomy) A bony and cartilaginous partition in the nose, separating the left and right airways in the nose and dividing the two nostrils.

(anatomy) The stout wall separating the lower chambers (the ventricles) of the heart from one another.

A sport of Southeast Asia, in which a small rattan ball is kicked back and forth over a net.

(pathology) A common physical disorder of the nose, involving a displacement of the nasal septum.

plural of sepal

plural of May-September romance

(biochemistry) A laboratory technique for separating cells by means of their antigens becoming bound to antibodies coating microscopic paramagnetic beads, which can then be separated from the medium by magnetic attraction.

An agreement to end hostilities with an opponent, while remaining hostile with that opponent's allies.

plural of separate peace