thinnet noun2 •10BASE2, a form of Ethernet using a thin coaxial cableThe most common type of cable used for small networks is thin coaxial cable, usually called thinnet. — 1996 •(rare) A sparse thicket.Most of my bounds are stone walls, lichen gray or mossy green, they lie not by open fields but in spruce thickets, in maple thinnets and pine groves, across brooks and steep hillsides. — 1994 formsthinnets