C / căthē^dra
noun greek

căthē^dra

gen. căthē^drae · gender feminine · decl. 1st
a chair; a stool; one furnished with cushions and supports for women
a chair, a stool, esp. one furnished with cushions and supports for women, an arm-chair.
a sedan chair
In gen., Hor. S. 1, 10, 91; Phaedr. 3, 8, 4; Prop. 4 (5), 5, 37; Juv. 6, 91 al.; also, a sedan chair, Juv 1, 65; 9, 52 Rup. al.; cf. Dict. of Antiq.—
a teacher
Esp., a teacher's or professor's chair, Juv. 7, 203; Mart. 1, 77 fin.—Hence,
the office of teacher; of a bishop by metonymy
Meton., the office of teacher: usurpare, Aus. Prof. 10, 1; also, of a bishop: tenere, Sid. Ep. 7, 4.