What does velum mean?
A velum is a membrane-like flap, most commonly the soft palate at the back of the mouth. In general anatomical language, the term can also denote a thin sheet of tissue that covers, divides, or controls the opening of a structure. The soft velum contains muscles that help lift the palate during speech and prevent food or liquid from entering the nasal cavity during swallowing. Because “velum” is specialized vocabulary, it is most often encountered in medical and biological writing rather than ordinary conversation. Its Latin name, meaning “sail” or “curtain,” neatly suggests both its shape and its movable character. The word should not be confused with “vellum,” a prepared calfskin material historically used for manuscripts and bookbinding.
nounA membrane or membrane-like flap, especially the soft palate. In anatomy, it may also refer to a thin sheet of tissue that covers or separates a structure.
- Anatomy: the soft palate, or the muscular membrane at the rear of the mouth.
- General anatomical usage: a thin membranous flap or curtain-like structure covering or separating a space.
- Zoology and related technical usage: a veil-like membrane or membranous appendage.
"The velum is the muscular portion at the back of the soft palate."
"The velum helps close off the nasal passage during swallowing."
"A thin velum of connective tissue partly divides the chamber."
The standard plural is vela, especially in anatomical contexts.
"Both velums were visible on the scan."
Velum comes from Latin for “sail” or “curtain,” a fitting origin for a soft-palate structure that rises and falls.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does velum come from?
English “velum” comes from Latin velum, meaning “sail,” “curtain,” or “veil.” Latin velum is also the source of English “veil,” and therefore of related forms such as “veiling” and “unveil.” The anatomical sense developed by applying the word’s traditional sense of a curtain-like covering to a membrane or movable flap.
How velum is actually used
This is primarily a formal and technical term, especially in anatomy, zoology, and related disciplines. It is not normally used in everyday conversation, and the spelling “vellum” refers to a completely different material.
Easily confused with velum
Velum is an anatomical membrane or flap, whereas vellum is a thin prepared material made from calfskin and used in bookbinding and manuscripts.