From na'ar; something shaken out, i.e. Tow (as the refuse of flax) -- tow.
see HEBREW na'ar
H5296. neoreth
נְעֹ֫רֶת noun feminine tow (as shaken off from the flax when beaten; on form compare BaNB 64); — in simile ׳מְּתִילהַֿנּ Judges 16:9 a thread of tow (snapping from heat); ׳נ Isaiah 1:31 (figurative; as inflammable).
III. נער (√ of following; meaning unknown).