1) Dorset slang for tender 2) Personality trait 3) Timid, to some Britons 
Nesh is an English dialect adjective meaning unusually susceptible to cold weather and there is no synonym for this use. Usage has been recorded in Staffordshire, the East Midlands, Lancashire, South Yorkshire and Shropshire. The word comes from Old English hnesce meaning feeble, weak, or infirm and is a cognate with the 16th century Dutch word ne...
soft; delicate; tender
• (a.) Soft; tender; delicate. • (a.) Soft; tender; delicate.
Nesh adjective [ Anglo-Saxon hnesc , hnæsc , akin to Goth. hnasqus .] Soft; tender; delicate. [ Obsolete or Prov. Eng.]
Nesh is Dorset slang for tender.
A British term applied to metal that is weak and ruptures easily under not working conditions.
My Dad used to call me a nesh wimp when I was a kid and I wanted him to take me places in his car because it was too cold to go on my bike. He meant I was being pathetic or a bit of a nancy boy. He might have had a point!