Strong’s Hebrew
H6856 — tsipporen
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
צִפֹּרֶן
tsipporen — pronounced tsip-po'-ren
from 6852 (in the denominative sense (from 6833) of scratching); properly, a claw, i.e. (human) nail; also the point of a style (or pen, tipped with adamant):--nail, point. see H06852 see H06833
2 occurrences in the KJV.
Deuteronomy 21:12
Then thou shalt bring her home to thine house, and she shall shave her head, and pare her nails;
Jeremiah 17:1
The sin of Judah is written with a pen of iron, and with the point of a diamond: it is graven upon the table of their heart, and upon the horns of your altars;