The Roman numeral symbol for Seventy; hence used as an abbreviation for SEPTUAGINT.
1662. Stillingfl., Orig. Sacr., III. iv. § 9. The learned dissertation of the late learned Bishop of Chester upon the LXX.
1883. Cath. Dict. (1897), 617/2. The LXX entirely misses the sense; the Vulgate has loquens pro eo.
attrib. 1900. Margoliouth, in Expositor, Jan., 33. The LXX. translator of the Song of Solomon.