nib /nɪb/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Origin: Probably from neb 'beak' (11-19 centuries) , from Old English nebb ]
1 . the pointed metal part at the end of a pen
2 . his/her nibs old-fashioned informal someone in authority or someone who thinks they are important:
And how’s his nibs this morning?