Dictionary

velum

velum

noun ve·lum \ˈvē-ləm\
plural ve·la \-lə\

Definition of VELUM

1
:  a membrane or membranous part resembling a veil or curtain: as
a :  soft palate
b :  an annular membrane projecting inward from the margin of the umbrella in some jellyfishes (as the hydromedusae)
2
:  a swimming organ that is especially well developed in the later larval stages of many marine gastropods

Origin of VELUM

New Latin, from Latin, curtain
First Known Use: 1753

velum

noun ve·lum \ˈvē-ləm\   (Medical Dictionary)
plural ve·la \-lə\

Medical Definition of VELUM

:  a membrane or membranous part resembling a veil or curtain: as a :  soft palate b :  semilunar cusp

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