脊せき椎つい骨こつMeaningsNoun1. vertebraKanji used脊backbone椎part of the spine骨bonePitch accentせきついこつComposed of脊せき椎ついspine; vertebral column; spinal column; backbone; vertebraNoun骨こつknack; skill; trick; secret; know-how; the ropes; hang; bone; skeleton; cremated remains (esp. the bones); …Noun