1. (n.) Plural of Plexus.

2. (n.) A network of vessels, nerves, or fibers.

3. (n.) The system of equations required for the complete expression of the relations which exist between a set of quantities.

afferent neuron arabesque autonomic nervous system axon basketry basketwork brain cancellation central nervous system cerebral cortex craniosacral nervous system cross-hatching crossing-out dendrite effector organ efferent neuron filigree fret fretwork ganglion grate grating gray matter grid gridiron grille grillwork hachure hatching interlacement internuncial neuron intertexture intertwinement lace lacery lacework lacing lattice latticework medullary sheath mesh meshes meshwork nerve nerve trunk nervous system net netting network neuron peripheral nervous system plexure raddle reticle reticulation reticule reticulum riddle screen screening sensorium sensory area sensory cell sieve solar plexus spinal cord synapse texture thoracolumbar nervous system tissue tracery trellis trelliswork wattle weave weaving web webbing webwork weft white matter wicker wickerwork