Interlace \In`ter*lace"\, v. t. & i. [imp. & p. p. Interlaced; p. pr. & vb. n. Interlacing.]

[OE. entrelacen, F. entrelacer. See Inter-, and Lace.]

To unite, as by lacing together; to insert or interpose one thing within another; to intertwine; to interweave.

Severed into stripes That interlaced each other. --Cowper.

The epic way is every where interlaced with dialogue. --Dryden.

Interlacing arches (Arch.), arches, usually circular, so constructed that their archivolts intersect and seem to be interlaced.

Source: Webster's Revised Unabridged Dictionary (1913)