| lad | 1. A boy; a youth; a stripling. "Cupid is a knavish lad." "There is a lad here, which hath fire barley loaves and two small fishes." (John vi. 9) 2. A companion; a comrade; a mate. Lad's love. <botany> See Boy's love, under Boy. Origin: OE. Ladde, of Celtic origin; cf. W. Awd, Ir. Lath. Cf. Lass. Source: Websters Dictionary (01 Mar 1998) |
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| Ladd | William E., U.S. Paediatric surgeon, 1880-1967. See: Ladd's band, Ladd's operation. (05 Mar 2000) |
| Ladd's band | A peritoneal attachment of an incompletely rotated caecum, causing obstruction of the duodenum, found in malrotation of the intestine. (05 Mar 2000) |
| Ladd's operation | Division of Ladd's band to relieve duodenal obstruction in malrotation of the intestine. (05 Mar 2000) |
| Ladd-Franklin | Christine, U.S. Psychologist, 1847-1930. See: Ladd-Franklin theory. (05 Mar 2000) |
| Ladd-Franklin theory | A theory, pertaining to colour vision, that gray is the earliest of colour sensations, from which are derived, by molecular change, two paired substances that, respectively, detect yellow and blue, and that the yellow gives rise to paired substances for detection of red and green. Synonym: Ladd-Franklin theory. (05 Mar 2000) |
| ladder | 1. A frame usually portable, of wood, metal, or rope, for ascent and descent, consisting of two side pieces to which are fastened cross strips or rounds forming steps. "Some the engines play, And some, more bold, mount ladders to the fire." (Dryden) 2. That which resembles a ladder in form or use; hence, that by means of which one attains to eminence. "Lowliness is young ambition's ladder." (Shak) Fish ladder. See Fish. Ladder beetle, a spiral marine shell of the genus Scalaria. See Scalaria. Origin: OE. Laddre, AS. Hlder, hldder; akin to OFries. Hladder, OHG.leitara, G. Leiter, and from the root of E. Lean, v. See Lean, and cf. Climax. Source: Websters Dictionary (01 Mar 1998) |
| ladder splint | A flexible splint consisting of two stout parallel wires with finer cross wires. Synonym: Cramer wire splint. (05 Mar 2000) |
| laddering | Apoptotic cells show a regular pattern of oligonucleotide sizes on electrophoretic gels, the ladder like arrangement is a consequence of the cleavage of the DNA strand between nucleosome beads by endonucleases as part of the process by which cell death occurs. See: apoptosis. (18 Nov 1997) |
| laddie | A lad; a male sweetheart. Source: Websters Dictionary (01 Mar 1998) |
| laden | Loaded; freighted; burdened; as, a laden vessel; a laden heart. "Ah sinful nation, a people laden with iniquity." (Is. I. 4) "A ship laden with gold." (Shak) Source: Websters Dictionary (01 Mar 1998) |
| ladies' eardrops | <botany> The small-flowered Fuchsia (F. Coccinea), and other closely related species. Source: Websters Dictionary (01 Mar 1998) |
| ladies' tresses | <botany> A name given to several species of the orchidaceous genus Spiranthes, in which the white flowers are set in spirals about a slender axis and remotely resemble braided hair. Source: Websters Dictionary (01 Mar 1998) |
| ladin | A Romansch dialect spoken in some parts of Switzerland and the Tyrol. Origin: From L. Latinus Latin. See Latin. Source: Websters Dictionary (01 Mar 1998) |
| ladle | 1. A cuplike spoon, often of large size, with a long handle, used in lading or dipping. "When the materials of glass have been kept long in fusion, the mixture casts up the superfluous salt, which the workmen take off with ladles." (Boyle) 2. A vessel to carry liquid metal from the furnace to the mold. 3. The float of a mill wheel; called also ladle board. 4. An instrument for drawing the charge of a cannon. A ring, with a handle or handles fitted to it, for carrying shot. <botany> Ladle wood, the wood of a South African tree (Cassine Colpoon), used for carving. Origin: AS.hlaedel, fr. Hladan to load, drain. See Lade. Source: Websters Dictionary (01 Mar 1998) |