a. [ L. sciaena a kind of fish (fr. Gr. &unr_;) + -oid. ] (Zool.) Of or pertaining to the Sciaenidae, a family of carnivorous marine fishes which includes the meagre (Sciaena umbra or Sciaena aquila), and fish of the drum and croaker families. The croaker is so called because it may make a croaking noise by use of its bladder; the Atlantic croaker (Micropogonias undulatus, formerly Micropogon undulatus) and the squeteague are a members of the croaker family, and the kingfish is a drum. [ 1913 Webster +PJC ]

n. [ See Sciagraphy. ] 1. (Arch.) An old term for a vertical section of a building; -- called also sciagraphy. See Vertical section, under Section. [ 1913 Webster ]

2. (Phys.) A radiograph. [ Written also skiagraph. ] [ 1913 Webster ]

a. [ Cf. F. sciagraphique, Gr. &unr_;. ] Pertaining to sciagraphy. -- Sci`a*graph"ic*al*ly, adv. [1913 Webster]

n. [ Gr. &unr_;, fr. &unr_; drawing in light and shade; &unr_; a shadow + &unr_; to delineate, describe: cf. F. sciagraphie. ] 1. The art or science of projecting or delineating shadows as they fall in nature. Gwilt. [ 1913 Webster ]

2. (Arch.) Same as Sciagraph. [ 1913 Webster ]

3. (Physics) Same as Radiography. [ Webster 1913 Suppl. ]

n. See Sciomachy. [ 1913 Webster ]

{ } n. [ Gr. &unr_; a shadow + -scope. ] (Med.) A device for determining the refractive state of the eye by observing the movements of the retinal lights and shadows. -- Ski*as"co*py Ski*as"co*py n. [ Webster 1913 Suppl. ]

{ } a. [ Gr. &unr_;, fr. &unr_; a sundial; &unr_; a shadow + &unr_; to hunt, to catch. ] Belonging to a sundial. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

-- Sci`a*ther"ic*al*ly, adv. [Obs.] J. Gregory. [1913 Webster]

n. [ Cf. F. sciatique. ] (Med.) Sciatica. [ 1913 Webster ]

a. [ F. sciatique, LL. sciaticus, from L. ischiadicus, Gr. &unr_;. See Ischiadic. ] (Anat.) Of or pertaining to the hip; in the region of, or affecting, the hip; ischial; ischiatic; as, the sciatic nerve, sciatic pains. [ 1913 Webster ]

n. [ NL. ] (Med.) Neuralgia of the sciatic nerve, an affection characterized by paroxysmal attacks of pain in the buttock, back of the thigh, or in the leg or foot, following the course of the branches of the sciatic nerve. The name is also popularly applied to various painful affections of the hip and the parts adjoining it. See Ischiadic passion, under Ischiadic. [ 1913 Webster ]