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lantern a housing or case with openings or transparent sections through which light can shine, used to protect, transport, direct, or ornament the light it contains. [3 definitions]
lantern fish any of several deep-sea fishes with luminescent organs along the side of the body.
lantern jaw a bony, projecting lower jaw.
lantern slide an early type of photographic transparency for projection.
lanthanide any of the lanthanide series of chemical elements.
lanthanide series a series of chemical elements having from fifty-seven to seventy-one protons in each nucleus; rare-earth elements.
lanthanum a chemical element of the rare-earth group that has fifty-seven protons in each nucleus and that occurs as a soft, highly reactive, solid metal or as a trivalent ion. (symbol: La)
lanugo fine, soft hair, esp. that with which a human fetus or newborn is covered.
lanyard a short rope or wire used to fasten or tauten gear or rigging on a ship. [4 definitions]
Laos a Southeast Asian country between Vietnam and Thailand.
Lao Tzu a Chinese philosopher considered to be the founder of Taoism (about the sixth century B.C.).
lap1 the front of the human body from the waist to the knees when one is in a sitting position, or the portion of one's clothing that covers this part of the body. [2 definitions]
lap2 to fold over, or enfold in. [10 definitions]
lap3 to lightly splash or slap against. [6 definitions]
laparoscope a medical instrument, inserted in the abdomen by surgery, that is used for viewing the abdominal or pelvic organs.
La Paz the seat of the Bolivian government. (Cf. Sucre.)
lapboard a thin board held on the lap for use as a writing surface.
lap dissolve a film and television technique in which one image fades away at the same time as another becomes stronger.
lap dog a small dog kept as a pet.
lapel an extension of a collar down the front of the chest and folded back toward it over the front of the garment.
lapful as much or many as can be held on a lap.