Dictionary

tapetum

noun ta·pe·tum \tə-ˈpē-təm\
plural ta·pe·ta \-ˈpē-tə\

Definition of TAPETUM

1
:  any of various reflective membranous layers or areas especially of the choroid and retina of the eye
2
:  a layer of nutritive cells that invests the sporogenous tissue in the sporangium of vascular plants

Origin of TAPETUM

New Latin, from Latin tapete carpet, tapestry, from Greek tapēt-, tapēs carpet
First Known Use: 1713

tapetum

noun ta·pe·tum \tə-ˈpēt-əm\   (Medical Dictionary)
plural ta·pe·ta \-ˈpēt-ə\

Medical Definition of TAPETUM

1
:  any of various membranous layers or areas especially of the choroid and retina of the eye; specifically :  tapetum lucidum
2
:  a layer of nerve fibers derived from the corpus callosum and forming part of the roof of each lateral ventricle of the brain

Browse

Next Word in the Dictionary: tapewormPrevious Word in the Dictionary: tapetiAll Words Near: tapetum
April 26, 2015
rococo Hear it
excessively ornate or intricate
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears