retinaculum

Noun

ret=i=nac=u=lum

CIDE DICTIONARY

retinaculum, n. [L., a holdfast, a band. See Retain.].

A connecting band; a frænum; as, the retinacula of the ileocæcal and ileocolic valves. [1913 Webster]
One of the retractor muscles of the proboscis of certain worms. [1913 Webster]
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. [1913 Webster]