flèche

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A slender spire, especially one on a church above the intersection of the nave and transept.

from The Century Dictionary.

• noun In fortification, the most simple kind of field-work, usually constructed at the foot of a glacis, consisting of two faces forming a salient angle pointing outward from the position taken.
• noun In architecture, a spire; particularly, a slender spire rising from the intersection of the nave and transepts of a cathedral or large church.
• noun In decorative art, an object resembling a spire, especially the representation of a spire in medieval carving or metal art-work.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Fort.) A simple fieldwork, consisting of two faces forming a salient angle pointing outward and open at the gorge.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun obsolete An arrow.
• noun backgammon Any of the twenty-four points on a backgammon board.
• noun architecture A spire or steeple, especially of Gothic style; an object emerging from the ridge of a roof.
• noun military, fortification An earthwork consisting of two berms forming an angle with an open gorge.
• noun fencing A method of attack with a sword (foil or épée) in which the attacker's back leg crosses in front of the front leg in the offensive move.