Japanese edit

For pronunciation and definitions of こっかく – see the following entry.
骨格
[noun] (anatomy) skeleton; a firm structure made up of bones that supports the body and its organs
[noun] the basis that forms something; a framework
[noun] (typography) in type design, the "skeleton" of a glyph, very thin lines that rough out the general stroke position, orientation and curvature, around which the actual outlines will be drawn
Alternative spelling
骨骼
(This term, こっかく, is the hiragana spelling of the above term.)