v. [f. CO- 1 + EXPAND.] intr. and trans. To expand together or along with.
a. 1711. Ken, Hymnotheo, Poet. Wks. 1721, III. 370. The various Orbs celestial co-expand, Adornd with Stars by thy Almighty Hand.
1798. Month. Mag., VI. 550. The dwelling place of the Hebrews could not coexpand with their numbers.