What is Log?

Legal Definition
Stems or trunks of trees cut into convenient lengths for the purpose of being afterwards manufactured into lumber of various kinds; not including manufactured lumber of any sort, nor timber which is squared or otherwise shaped for use without further change in form. Kolloch v. Parcher, 52 Wis. 393, 9 N. W. 07. And sce Haynes v. Hayward, 40 Me. 148; State v. Addington, 121 N. C. 538, 27 S. E. 988; Code W. Vn. 1899, p. 1071, § 27 (Code 1906, § 2524).
-- Black's Law Dictionary
Legal Definition
Same as Log-book.
-- Ballentine's Law Dictionary