also: こっきょく
noun
bone spur; osteophyte
Medical term for a bony outgrowth, often associated with osteoarthritis or aging.
レントゲン検査で、膝に骨棘が見つかった。
An X-ray examination found a bone spur in the knee.
骨棘は変形性関節症の典型的な所見の一つです。
Bone spurs are one of the typical findings in osteoarthritis.
Compound of 骨 (bone) and 棘 (thorn, spine), directly describing a thorn-like bony projection.