uncinate

Adjective

Meaning

Hooked; bent at the tip in the form of a hook; as, an uncinate process.

Source: Webster's dictionary

crooked curved bent billed hooked lunate beaked semilunar aquiline falcate crescentic halfpipe semi-lunar

unciform uncinus uncinal

nunciate auncient

The tuatara is the only living tetrapod with well-developed gastralia and uncinate processes. Source: Internet

The true ribs are small projections, with small, hooked bones, called uncinate processes, found on the rear of each rib. Source: Internet