First Known Use: circa 1905
Dictionary
tectum
noun tec·tum \ˈtek-təm\
plural tec·ta \-tə\
Definition of TECTUM
: a bodily structure resembling or serving as a roof; especially : the dorsal part of the midbrain
— tec·tal \ˈtek-təl\ adjective
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Origin of TECTUM
New Latin, from Latin, roof, dwelling, from neuter of tectus, past participle of tegere to cover — more at thatch
Medical Dictionary
tectum
noun tec·tum \ˈtek-təm\
plural tec·ta \-tə\
Medical Definition of TECTUM
1
: a bodily structure resembling or serving as a roof
2
: the dorsal part of the midbrain including the corpora quadrigemina—called also tectum mesencephali
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