Retinaculum is valid Scrabble Word

Is retinaculum a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is retinaculum valid Words with Friends?
Words with Friends YES

11 letters word
15 points in Scrabble
21 points in WWF

Definitions for RETINACULUM in dictionary:

NOUN:

a band-like structure that holds an organ in place
Anatomy. A structure that holds (or appears to hold) something in place; specifically â€ (a) = "proligerous disc" (obsolete); (b) a ligamentous band retaining tendons in place, especially in the region of the wrist and ankle (frequently with distinguishing English or scientific Latin word or words).
An arrangement of hooks, folds, or bristles, which interlocks the fore- and hindwings of various insects during flight; specifically that on the underside of the forewing in many butterflies and moths, engaging with a frenulum on the hindwing.
In collembolans: a fused pair of appendages which hold back the furcula before releasing it for a spring.
In plants of the acanthus family: each of the hooklike projections (modified funicles) on which the seeds are attached and which aid in their ejection; a jaculator.
In orchids: the sticky gland of the rostellum to which the stalk of each of the pollinia (pollen masses) adheres; a viscidium; now rare. In asclepiads: the armlike process borne by each of the pollinia to aid pollen transfer.
A connecting band; a fraenum; as, the retinacula of the ileocaecal and ileocolic valves.
One of the annular ligaments which hold the tendons close to the bones at the larger joints, as at the wrist and ankle.
One of the retractor muscles of the proboscis of certain worms.
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.

Anatomy. A structure that holds (or appears to hold) something in place; specifically †(a) = "proligerous disc" (obsolete); (b) a ligamentous band retaining tendons in place, especially in the region of the wrist and ankle (frequently with distinguishing English or scientific Latin word or words).

OTHER DEFINITIONS:

any of several fibrous bands of fascia that pass over or under tendons (as at or near the ankle or wrist) and help to keep them in place

Words related to RETINACULUM

retinacula12

How to use RETINACULUM in a sentence

Base of these wings in the male with a strong bristle passing behind a strong corneous retinaculum, which arises from the anterior side of the sub-costal nervure.
The retinaculum is not correctly represented in this figure, it arises from the anterior side of the sub-costal nervure.

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