First Known Use: 1938
Dictionary
pennate
adjective pen·nate \ˈpe-ˌnāt\
Definition of PENNATE
: of, relating to, or being usually elongate bilaterally symmetrical diatoms of an order (Pennales) having a raphe or a similar structure
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Origin of PENNATE
irregular from New Latin Pennales
Medical Dictionary
pennate
adjective pen·nate \ˈpen-ˌāt\
Medical Definition of PENNATE
: having a structure like that of a feather; especially : being a muscle in which fibers extend obliquely from either side of a central tendon
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