• (a.) Having the form of a labyrinth; intricate.
Lab`y·rin'thi·form adjective [ Labyrinth + -form : confer French labyrinthiforme .] Having the form of a labyrinth; intricate. 
With intricate winding lines or passages.
labyrinthiform 1. Having the form of a labyrinth; intricate. 2. With complicated sinuous (wavy like the path of a snake) lines or winding passages.