flax, tow

“Flax” From Boyd’s Bible Dictionary:

(flexible). Grown and used largely in East (Ex. 9:31; Josh. 2:6; Isa. 19:9). For lamp wicks (Isa. 42:3; Matt. 12:20). Spinning honorable (Prov. 31:13,19,24).

“Tow” From Boyd’s Bible Dictionary:

The coarser part of flax or jute
(Judg. 16:9).

Concise Bible Dictionary:

Wild Flax – Linum Bienne
The common plant from which linen is made (Ex. 9:31; Josh. 2:6; Prov. 31:13; Isa. 42:3; Ezek. 40:3; Hos. 2:5, 9; Matt. 12:20).
Dried Flax

Strong’s Dictionary of Hebrew Words:

Transliteration:
pishtah
Phonic:
pish-taw’
Meaning:
feminine of 6593; flax; by implication, a wick
KJV Usage:
flax, tow