a filamentous projection or process on an organism
any of the cylindrical filaments characteristically growing from the epidermis of a mammal; "there is a hair in my soup"
a covering for the body (or parts of it) consisting of a dense growth of threadlike structures (as on the human head); helps to prevent heat loss; "he combed his hair"; "each hair consists of layers of dead keratinized cells"
filamentous hairlike growth on a plant; "peach fuzz"
without apparent forethought or prompting or planning; "an unplanned economy"; "accepts an unplanned order"; "an unplanned pregnancy"; "unplanned remarks"
something that causes or entails suffering; "I cannot think it a hardship that more indulgence is allowed to men than to women"- James Boswell; "the many hardships of frontier life"
armament consisting of a long cylindrical self-propelled underwater projectile that detonates on contact with a target
a small explosive device that is placed on a railroad track and fires when a train runs over it; the sound of the explosion warns the engineer of danger ahead
a small firework that consists of a percussion cap and some gravel wrapped in paper; explodes when thrown forcefully against a hard surface
an explosive device that is set off in an oil well (or a gas well) to start or to increase the flow of oil (or gas)