to saw (a log) into quarters lengthwise and then into boards, in order to show the grain of the wood to advantage; also, to produce (boards) in this way
See quartersaw in American Heritage Dictionary 4
(kwôrˈtər-sôˌ)
transitive verbquar·ter·sawed, quar·ter·sawed or quar·ter·sawn(-sônˌ), quar·ter·saw·ing, quar·ter·saws
To saw (a log) into quarters lengthwise along its axis.