Close-grained and Two-by-four

Close-grained adjective - Dense or compact in structure or texture, as a wood composed of small-diameter cells.

Two-by-four and close-grained are semantically related. In some cases you can use "Two-by-four" instead an adjective phrase "Close-grained".

Two-by-four noun - A timber measuring (slightly under) 2 inches by 4 inches in cross section.

Close-grained and two-by-four are semantically related. Sometimes you can use "Close-grained" instead an adjective phrase "Two-by-four".