Term: mastiff: an old breed of powerful deep-chested smooth-coated dog used chiefly as a watchdog and guard dog
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: wallboard: a wide flat board used to cover walls or partitions; made from plaster or wood pulp or other materials and used primarily to form the interior walls of houses
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: fat cell: cells composed of fat
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: sapphire: a precious transparent stone of rich blue corundum valued as a gemstone
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: encephalogram: an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: cough: a sudden noisy expulsion of air from the lungs that clears the air passages; a common symptom of upper respiratory infection or bronchitis or pneumonia or tuberculosis
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: double play: the act of getting two players out on one play
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: orach: any of various herbaceous plants of the genus Atriplex that thrive in deserts and salt marshes
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: twayblade: an orchid of the genus Liparis having a pair of leaves
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: departure time: the time at which a public conveyance is scheduled to depart from a given point of origin
Broader: working dog: any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs | Unrelated: euglenoid: marine and freshwater green or colorless flagellate organism