(music) A syllable used in solfège to represent the first and eighth tonic of a major scale.

(nautical) A spar used to extend the length of a bowsprit on sailing ships.

Obsolete form of luxuriance.

Refers to the orbit of a satellite whose rate of revolution is matched to the rotation period of the Earth. A special case is the geostationary orbit which is circular and equatorial, so that the s...