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.
Oophorectomy (oh-of-uh-REK-tuh-me) is a surgical procedure to remove one or both of your ovaries. Your ovaries are almond-shaped organs that sit on each side of the uterus in your pelvis.Your ovaries contain eggs and produce hormones that control your menstrual cycle.When oophorectomy involves removing both ovaries, it's called bilateral oophorectomy. When the surgery involves removing only one ovary, it's called unilateral oophorectomy.our ovaries contain eggs and produce hormones that control your menstrual cycle. When oophorectomy involves removing both ovaries, it's called bilateral oophorectomy. When the surgery involves removing only one ovary, it's called unilateral oophorectomy.