LEPTOCARDIA n.
The lowest class of Vertebrata, including only the Amphioxus. The heart is represented only by a simple pulsating vessel. The blood is colorless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. See Amphioxus. [Written also Leptocardii.]…
LEVEL n. 21 definitions
rizontal passage, drift, or adit, in mine. Air level, a spirit level. See Spirit level (below). -- Box level, a spirit level in which a glass-covered box is used instead of a tube. -- Garpenter's level, Mason's level, either the plumb level or a straight bar of wood, in which is imbedded a small spirit level. -- Lev…
LEWD a. 4 definitions
Belonging to the lower classes, or the rabble; idle and lawless; bad; vicious. [Archaic] Chaucer. But the Jews, which believed not, . . . took unto them certain lewd fellows of the baser sort, . . . and assaulted the house of Jason. Acts xvii. 5. Too lewd to work, and ready for any kind of mischief. Southey .…
LIFE n. 14 definitions
ce, human affairs; also, lives, considered collectively, as a distinct class or type; as, low life; a good or evil life; the life of Indians, or of miners. That which before us lies in daily life. Milton. By experience of life abroad in the world. Ascham. Lives of great men all remind us We can make our lives sublime.…