LUNAR INEQUALITY. See [Variation of the Moon].
LUNAR OBSERVATIONS. The method of observing the apparent distances between given celestial objects, and then clearing the angles from the effects of parallax and refraction.
LUNAR TABLES. The tabulated logarithmic aid for correcting the apparent distance, and facilitating the reduction of the observations.
LUNATION. The period in which the moon goes through every variety of phase; that is, one synodical revolution.
LUNETTE. In fortification, a work composed of two faces meeting in a salient angle, from the inner extremities of which two short flanks run towards the rear, leaving an open gorge; it is generally applied only in connection with other works. Prize-masters will recollect that lunette is also the French name for a spy-glass or telescope.
LUNGE allonge]. A pass or thrust with a sword; a shove with a boarding-pike.
LUNI-SOLAR. A chronological term; it is the moon's cycle multiplied into that of the sun.
LUNI-SOLAR PRECESSION. See [Precession].
LUNT. A match-cord to fire great guns—a match for a linstock.
LUNTRA. See [Felucca].