sigma

sigma, ătis, n., = σίγμα (the Greek letter sigma; hence, from its more ancient form, C).

• A semicircular couch for reclining at meals, Mart. 10, 48, 6; 14, 87, 2; Lampr. Heliog. 25.—
• II A bathing-tub of the same shape, Sid. Ep. 2, 2 med.; id. Carm. 17, 6.

sigma (simma), atis, n. (σίσμα), der griechische Buchstabe σ, der, groß geschrieben, die Figur eines C, folglich eines halben Kreises hat, dah. meton. I) ein halbrundes Speisesofa, Mart. 10, 48, 6. Lampr. Heliog. 25, 2 u. 29, 3. Spart. Hadr. 17, 4. – II) eine halbrunde Badewanne, Sidon. epist. 2, 2, 5.

sigma [CL < σίγμα] 1 Greek letter sigma; b (as numeral = 200). simma, S, C, cc Runica Manuscripta 351; sciat ‥ notarius ‥ ubi scribere debeat ‥ iota, ubi sima [gl.: i. S], ubi antisima [v. l. antisina; gl.: i. X] Neckam Ut. 117; forma ‥ ejus [sc. epatis] est velud ~a Grecorum, id est M nostrum inversum Ric. Med. Anat. 225; ad articulum nominativi prepositivi masculini generis quod est ο additur sima et fit οs, quod est nominativus subjunctivi articuli masculini generis Bacon Gram. Heb. 207; xx littera significat cc que vocatur sigma Harclay Qu. 1. 95; istorum vocabulorum litteras et significaciones secundum Boycium ‥ volo inserere ‥. hypate meson, que est mediarum principalis, ~a et ~a: C C Will. 20.  b C, cc Bede TR 1; Runica Manuscripta 351, Harclay Qu. 1. 95 (v. 1a supra). 2 room, chamber (cf. DuC s. v. simma). hec camera, hec simina [? l. simma], a schambyr WW.

sigma, ătis, n. (σίγμα), objet ayant la forme dʼun sigma majuscule Ϲ [forme dite « lunaire » du sigma], donc dʼun demi-cercle : [dʼoù] lit de table demi-circulaire : Mart. 10, 48, 6 || siège de bain demi-circulaire : Sid. Ep. 2, 2.

sigma , atis. n.
半圈之几。

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SIGMA

SIGMA[TRICLINIUM; MENSA, p. 157 b. ]

Sigma

A couch made in a semicircular form for use at a round dining-table (orbis). Its name was given it from the old form of the Greek letter sigma, which was C (Mart.ix. 60).