LAUGHSOME
Laugh"some, a.
Defn: Exciting laughter; also, addicted to laughter; merry. [R.]
LAUGHTER Laugh"ter, n. Etym: [AS. hleahtor; akin to OHG. hlahtar, G. gelächter, Icel. hlatr, Dan. latter. See Laugh, v. i. ]
Defn: A movement (usually involuntary) of the muscles of the face, particularly of the lips, with a peculiar expression of the eyes, indicating merriment, satisfaction, or derision, and usually attended by a sonorous and interrupted expulsion of air from the lungs. See Laugh, v. i. The act of laughter, which is a sweet contraction of the muscles of the face, and a pleasant agitation of the vocal organs, is not merely, or totally within the jurisdiction of ourselves. Sir T. Browne. Archly the maiden smiled, and with eyes overrunning with laughter. Longfellow.
LAUGHTERLESS
Laugh"ter*less, a.
Defn: Not laughing; without laughter.
LAUGHWORTHY
Laugh"wor`thy, a.
Defn: Deserving to be laughed at. [R.] B. Jonson.
LAUMONTITE
Lau"mont*ite, n. Etym: [From Dr. Laumont, the discoverer.] (Min.)
Defn: A mineral, of a white color and vitreous luster. It is a hydrous silicate of alumina and lime. Exposed to the air, it loses water, becomes opaque, and crumbles. [Written also laumonite.]