Boyd’s Bible Dictionary:
(feather). Anciently, a metal graver for tracing on hard substances; the stylus, of pointed metal or bone, for writing in wax; the reed pen and hair pencil for writing on parchment and linen (Judg. 5:14; Job 19:24; Jer. 17:1).
Concise Bible Dictionary:
A general term for any implement used either for cutting an inscription on stone or metal, or a reed for writing on papyrus or parchment (Judg. 5:14; Job 19:24; Psa. 45:1; Isa. 8:1; Jer. 8:8; Jer. 17:1; 3 John 1:1,13).
Strong’s Dictionary of Hebrew Words:
Meaning:
from 5860 (contracted) in the sense of swooping, i.e. side-long stroke; a stylus or marking stick