For pronunciation and definitions of コシ – see the following entry.
[noun] the waist, the (lower) back, the small of the back
[noun] (anatomy) the hip
[noun] the skirting of a shoji
[noun] the third line of a waka or tanka poem (from the way that the next two lines are longer, similar to the way the body gets wider at the hips)
[noun] This term needs a translation to English.
Alternative spellings
, こし
(This term, コシ, is an alternative spelling of the above term.)