A stilleto shaped blade, normally double-edged but can be single edged.

A small, double-edged blade. See also Knife.

a short knife with a pointed blade used for piercing or stabbing

a blade weapon used for stabbing, thrusting or as a secondary defense weapon in close combat

a double-edged knife commonly used by primitive cultures

a light one-handed weapon consisting of a short blade and hilt

an extremely fast weapon (or so is martial arts, boxing etc)

a poor ward, however, and a longer weapon is more of a handicap than an asset

a short weapon with sharp edges

a type of EDGED weapon

a weapon, it's not a knife

(10) -- a short stout edged and pointed weapon used for thrusting and stabbing (Oxford Dict.)

a knife, usually in the form of a sword. Daggers came a variety of forms, with both single and double edged varieties. Like swords, were usually fitted with a pommel and guard, and throughout the late Middle Ages and Renaissance, also developed progressively more complex hilts.

A type of knife.

A type of short bladed weapon used for stabbing.

A grind down the center of a blade equally dividing it into halves.

A knife with a long blade (10'-15”) primarily for parrying , used in concert with the rapier of the 16th-17th centuries.

A razor blade with more of the razor exposed than necessary.

An edged weapon consisting of a short pointed blade and handle.

a reference mark used in footnotes

A dagger (†, †, U+2020) is a typographical symbol or glyph. It is also called an obelos, from a Greek word meaning "roasting spit" or "needle"; or obelisk, an alteration of the above (see obelisk). A double dagger (‡, ‡, U+2021) is a variant with two "handles", and is also called a diesis or Cross of Lorraine.