Cordwood construction is a term used for a natural building

Natural building

A natural building involves a range of building systems and materials that place major emphasis on sustainability. Ways of achieving sustainability through natural building focus on durability and the use of minimally processed, plentiful or renewable resources, as well as those that, while...

 method in which "cordwood" or short pieces of debarked tree are laid up crosswise with masonry

Masonry

Masonry is the building of structures from individual units laid in and bound together by mortar; the term masonry can also refer to the units themselves. The common materials of masonry construction are brick, stone, marble, granite, travertine, limestone; concrete block, glass block, stucco, and...

 or cob

Cob (building)

Cob or cobb or clom is a building material consisting of clay, sand, straw, water, and earth, similar to adobe. Cob is fireproof, resistant to seismic activity, and inexpensive...

 mixtures to build a wall.
Walls are usually constructed such that the pieces of wood are "proud" of (protrude from) the mortar by a small amount (an inch or less). Walls typically range between 12 and 24 inches thick, though in northern Canada, some walls are as much as 36 inches thick.

Cordwood homes are attractive for their visual appeal, maximization of interior space (with a rounded plan), economy of resources, and ease of construction.