orbiculus

orbĭcŭlus, i, m. dim. [orbis],

• a small disk; a sheave, roller, pulley, etc. (anteclass. and post-Aug.), Cato R. R. 3, 6; 22, 2; Col. 4, 30, 4; Vitr. 10, 5: radix concisa in orbiculos, cut in little disks or slices, Plin. 25, 13, 94, § 148; Inscr. Orell. 2519.— Esp., the nave of a wheel, Vitr. 10, 2, 9.

orbiculus, ī, m. (Demin. v. orbis), eine kleine Scheibe, I) im allg.: radix concisa in orbiculos, in kleine Scheiben zerschnitten, Plin.: oculorum orbiculi mobiles, Arnob.: orbiculi lapillorum (der Perlen), Solin. – II) insbes.: 1) die Rolle im Kloben, Cato r. r. 3, 6. – 2) die Rolle an der Hebemaschine usw., Vitr. 10, 2. § 1 u. 8 sq. u.a.

orbiculus [CL] 1 (small) ring or circle; b (w. ref. to stirrup). alius ‥ ~us qui gravi tortura affligebat brachium hominis ‥ ante pedes ejus cecidit ‥. ille ‥ anulus ‥ integer prosiluit de hominis brachio Lantfr. Swith. 24; rotella vel ~us, lytel ymbhweorft Ælf. Gl. 109.  b ascensurus equum vix contingere posset scansilis ~um Mir. J. Bev. C 339. 2 disk, object of circular shape: a (spinal disc); b (spot on animal skin). a quas ~orum nexuras spondilia physici appellant R. Cold. Osw. 51 p. 381.  b muneror orbiculis ut pardus discolor albis Hwætberht Aen. 45. 1; panthera minutis est ~is superpicta ita ut oculatis ex fulvo circulis Neckam NR II 133; pantera est bestia quedam minutis ~is naturaliter superdicta, ut ex macularum nigrarum, albarum, ac flavarum varietate tota ejus pellis oculata externis videatur Upton 168. 3 small spherical object: a eye ball or socket. b rain drop. c jewel-like decoration. d marble (used in game). e prayer bead. citatur a ministris cecus, infundunt aquam ~is oculorum Ailr. Ed. Conf. 763A; vocatus adfuit vir captus oculis, et rex tinctis aqua digitis linit faciem, et ~is tenebrosis signum crucis impressit Ib. 764D; rex jussit eum clam oculorum lumine privari, salvis tamen ~is eorundem Flor. Hist. II 39.  b si tot scribencium essent familie / quot stelle radiant in celi facie / quot sunt orbiculi vel stille pluvie / mentem opprimeret pondus materie Walt. Wimb. Carm. 5a.  c inest conchis ornamentorum pretium, unionum sc. gemmantes ~i, candore splendidi et margaritarum multicolora decora Gosc. Aug. Maj. 51D; 1315 in filacterio argenteo et deaurato cum gemmis et in pede capita deaurata in ~is cristallo longo rotundo Invent. Ch. Ch. 82.  d alea ‥ migravit ad Grecos. hinc thessara, calculus ‥ ~i J. Sal. Pol. 399C.  e 1584 intulit in hoc regnum Anglie ‥ a sede Romana unum ~um consecret’ vocat’ a hallowed bede Pat 1242 m. 18.

orbĭcŭlus, (14) ī, dim. de orbis, petite roue, roulette, poulie : Cato Agr. 3, 6 ; Col. Rust. 4, 30, 4 ; Vitr. Arch. 10, 2, 1 || rondelle : Plin. 25, 148.

orbiculus , i. m.
小圈。

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Orbicŭlus

A roller or pulley worked by a rope (Vitruv. x. 2).