Definition of velum in English:
noun (plural vela /-lə/)
1.1 Anatomy The soft palate.
- The back of the tongue lies opposite the soft palate or velum when the tongue is in a state of rest, and sounds made with the back include velar consonants and back vowels.
- This technique allows for closure of the velum, thus excluding nasal NO contamination during expiration.
- For ‘mouth breathing’ protocols, patients were instructed with a technique aimed at achieving velum closure of the nasopharynx and asked to practice it prior to testing.
1.2 Zoology A membrane, typically bordering a cavity, especially in certain mollusks, medusae, and other invertebrates.
- Scyphozoan medusae differ from those of hydrozoans in lacking a velum.
- Adult heteromorphs show wide velum; the velum in tecnomorphs is narrower.
- Free-living medusoid hydrozoans can be hard to tell from scyphozoans, but hydrozoan medusae generally have a muscular shelf, or velum, projecting inward from the margin of the bell.
mid 18th century: from Latin, literally 'sail, curtain, covering, veil'.
Definition of velum in:
- British & World English dictionary