"Retinaculum" is a word in ENGLISH

A connecting band; a fraenum; as, the retinacula of
the ileocaecal and ileocolic valves.

One of the retractor muscles of the proboscis of
certain worms.

One of the annular ligaments which hold the tendons
close to the bones at the larger joints, as at the wrist and ankle.

A small gland or process to which bodies are attached;
as, the glandular retinacula to which the pollinia of orchids are
attached, or the hooks which support the seeds in many acanthaceous
plants.