shackle joint
English
Noun
shackle joint (plural shackle joints)
- (anatomy) A joint formed by a bony ring passing through a hole in a bone, as at the bases of spines in some fishes.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for shackle joint in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)