(Forestry) A shake or fissure between the annual rings of a tree, found oftenest near the roots.
cup shake
ring shake, cup shake, shell shake, wind shake
A separation in wood between or along the annual rings.
shake
A thick wood shingle, usually formed either by hand-splitting a short log into tapered radial sections or by sawing; usually attached in overlapping rows on wood sheathing, 1 as a covering for a roof or wall.ThesaurusSeeshake