Term: heliograph: an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
Broader: apparatus: equipment designed to serve a specific function | Unrelated: pollard: a tree with limbs cut back to promote a more bushy growth of foliage
Broader: apparatus: equipment designed to serve a specific function | Unrelated: daub: an unskillful painting
Broader: apparatus: equipment designed to serve a specific function | Unrelated: songhai: a Nilo-Saharan language spoken by the Songhai in Mali and Niger
Broader: apparatus: equipment designed to serve a specific function | Unrelated: billyo: an unimaginably large amount
Broader: apparatus: equipment designed to serve a specific function | Unrelated: hydrodynamics: study of fluids in motion
Broader: apparatus: equipment designed to serve a specific function | Unrelated: keeping: conformity or harmony
Broader: apparatus: equipment designed to serve a specific function | Unrelated: marathon: a footrace of 26 miles 385 yards
Broader: apparatus: equipment designed to serve a specific function | Unrelated: carbon: a copy made with carbon paper
Broader: apparatus: equipment designed to serve a specific function | Unrelated: lagerstroemia: shrubs or small trees of tropical Asia and Africa usually with showy white, pink, or purplish flowers
Broader: apparatus: equipment designed to serve a specific function | Unrelated: sportswear: attire worn for sport or for casual wear