billets

In England, ? – 19th centuries, pieces of firewood smaller than shids but larger than faggots were called billets. See the sources for the standard sizes:

sources

Please see 34 & 35 Henry VIII, chapter 3 (1542-1543)

Billets should be 3 Foot long, and should be in compasse 7 inches and a halfe; 10 or 14 inches, as they are reckoned for 1, 2, or 3.

Henry Phillippes.
The Purchasers Pattern. 2nd ed., corrected and enlarged.
London: Printed for R. & W. Leybourn, for T. Pierrepont..., 1654.
Page 237.

Billets are to be 3 Feet long, whereof there should be 3 Sorts, viz, a Single, a Cask, and a Cask of two. The first is 7 inches, the second 10 Inches, and the third 14 Inches about; and they are sold by the Hundred, five Score to the Hundred.

Hayes (1740), page 207.