nab1, nebnounthe nose20. Compare nab chaetetymology: origin obscure; form nab possibly a variant of Scots neb ‘the nose’; perhaps a variant of English knob; forms nab chit, nab cheat also attested by Galloway Tinkler-Gypsies; form neb attested by SS; form nab attested by BS in TDITA; collected by EMcC/PSnote:
Form nab attested by Canadian Paul Pope (2013) with the same meaning.