† conˈcrew,v.Obs.rare—1. [f. F. concroître (pa.pple.concrû, in OF.concreu) to grow together:—L. concrēscĕre: cf. accrue.] intr. To grow together or into a mass. 1596Spenser F.Q. iv. vii. 40 And his faire lockes..He let to grow and griesly to concrew.