Defn: That may be tanned.

TANNAGE
Tan"nage, n.

Defn: A tanning; the act, operation, or result of tanning. [R.]
They should have got his cheek fresh tannage. R. Browning.

TANNATE
Tan"nate, n. Etym: [Cf. F. tannate.] (Chem.)

Defn: A salt of tannic acid.

TANNER
Tan"ner, n.

Defn: One whose occupation is to tan hides, or convert them into leather by the use of tan.

TANNERY
Tan"ner*y, n.; pl. Tanneries. Etym: [Cf. F. tannerie.]

1. A place where the work of tanning is carried on.

2. The art or process of tanning. [R.] Carlyle.