Last name origins & meanings: 1  Dutch, North German (Niemann), and Danish: nickname for a newcomer to a place, from nie ânewâ (variant of German neu or Dutch nieuw) + man âmanâ. 2  Dutch, North German (Niemann), and Danish: Perhaps also from niemand ânobodyâ, hence a nickname for an orphan or a person of no account.ast name origins & meanings: 1  Dutch, North German (Niemann), and Danish: nickname for a newcomer to a place, from nie ânewâ (variant of German neu or Dutch nieuw) + man âmanâ. 2  Dutch, North German (Niemann), and Danish: Perhaps also from niemand ânobodyâ, hence a nickname for an orphan or a person of no account.
GCIDE(0.00 / 0 votes)Rate this definition: onychophoran(n.) Any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms; a member of the Onychophora, also called Malacopoda. See Malacopoda.
Primitive neuroectodermal tumours (PNET) are cancerous tumours that most commonly develop in the brain or spinal cord in children or young adults. There is information on this page about. 1  What PNET is. 2  PNETs of the brain or spinal cord.3  Peripheral PNETs.rimitive neuroectodermal tumours (PNET) are cancerous tumours that most commonly develop in the brain or spinal cord in children or young adults. There is information on this page about. 1  What PNET is. 2  PNETs of the brain or spinal cord. 3  Peripheral PNETs.