(pen-)knife, razor, scabbard, shave, sheath

Boyd’s Bible Dictionary:

(scraper). Known to and much used by Hebrews. Levites shaved the entire body (Lev. 14:8; Num. 6:9,18; 8:7; Judg. 13:5; Acts 18:18).

Strong’s Dictionary of Hebrew Words:

Number:
8593 (find all occurrences in KJV Bible)
Transliteration:
ta`ar
Phonic:
tah’-ar
Meaning:
from 6168; a knife or razor (as making bare): also a scabbard (as being bare, i.e. empty)
KJV Usage:
(pen-)knife, razor, scabbard, shave, sheath