Commissûra, commisiúræ, pen. prod. Cic.A ioynt of any thing closed and opened as of a table, &c.Commissura verborum. Quint. Ioyning of.Molles digitorum commissuræ.Cic.Tender ioyntes.Hiat commissura. Quint. The ioyning gapeth, or light may be seene through. Perlucet commissura Quint. Idem.
Lewis and Short: Latin dictionary
commissūra, ae, f. [committo]. I. Prop., a joining or connecting together; hence, in concr., a band, knot, joint, seam, juncture, commissure (class.): commissura funis, Cato, R. R. 135, 4; cf. nodorum, Sen. Ben. 5, 12, 2: molles digitorum, Cic. N. D. 2, 60, 150: mirabiles ossium, id. ib. 2, 55, 139; id. Univ. 7 fin.: navium, Plin. 16, 36, 64, 158: nucum, id. 17, 10, 11, 64: colorum,