Definition: A powerful tool used for breaking up hard surfaces like concrete or rock, which works by rapidly striking the surface with a chisel or similar attachment.

Example: The construction workers used a jackhammer to break up the old pavement.

Definition: To bend or fold in a way that resembles a folding knife, often resulting in a sharp angle.

Example: The trailer jackknifed, causing a traffic jam on the highway.

Definition: A type of knife that has a folding blade, often used for various tasks, or a diving move where the diver enters the water in a specific position.

Example: He used his jackknife to cut the rope.

Definition: To fold or bend something in a way that resembles the action of a jackknife, often referring to cutting or stabbing with a knife that folds.

Example: He had to jackknife the metal sheet to fit it into the frame.

Definition: To hunt or fish using a bright light to attract animals or fish at night.

Example: They decided to jacklight for fish on the lake after dark.

Definition: A type of light that is used to attract animals during nighttime hunting or fishing.

Example: The hunter used a jacklight to illuminate the area and attract deer.

Definition: A device that uses a screw mechanism to lift heavy objects, often used in construction or automotive work.

Example: The mechanic used a jackscrew to lift the car for repairs.

Definition: A support or rope used in sailing that helps to hold the mast steady and allows sails to be attached.

Example: The crew adjusted the jackstay to ensure the sails were properly secured during the race.

Definition: A device or person that prevents or disrupts normal operation, often used in contexts like sports or technology.

Example: The jammer blocked the radio signal, making it impossible to communicate.

Definition: To cause a feeling of disturbance or irritation; to clash or conflict with something; to make a harsh sound or shake from impact.

Example: The loud noise from the construction site jarred my concentration while I was studying.

Definition: A container, often made of glass or clay, that has a wide opening and is used for storing food or other items.

Example: She put the cookies in a glass jar to keep them fresh.

Definition: To cause something to move or shake suddenly, often due to a collision or impact.

Example: The loud noise jarred me awake in the middle of the night.

Definition: A tool used for prying open doors or windows, often made of metal and shaped like a crowbar.

Example: The burglar used a jemmy to break into the house.

Definition: A type of container that is flat on the sides and is used to hold liquids, typically with a capacity of about five gallons or 19 liters.

Example: We filled the jerrican with water before heading out on our camping trip.

Definition: A strong container, usually made of metal or plastic, used for holding and transporting liquids like fuel or water.

Example: He filled the jerrycan with water before heading out on the hike.