nounπShareNavel"The doctor examined the newborn baby's umbilicus to make sure it was healing properly. "anatomybodyorganphysiologymedicineChat with AIVocabulary GamePractice Reading
nounπShareHilum"The bean's umbilicus, a small scar where it detached from the pod, was clearly visible. "anatomybiologybodymedicineorganpartChat with AIVocabulary GamePractice Reading
nounπShareA depression or opening in the center of the base of many spiral shells."The small snail shell showed a deep umbilicus at its base, a characteristic feature of that species. "biologyanatomyanimalChat with AIVocabulary GamePractice Reading
nounπShareEither of the two apertures in the calamus of a feather."The birdwatcher carefully examined the feather, noting the tiny umbilicus on each barbule. "anatomybirdChat with AIVocabulary GamePractice Reading
nounπShareA tube connecting an astronaut or spacecraft to the mothership, through which supplies and samples can be transferred."During the spacewalk, the astronaut remained safely connected to the spacecraft by the umbilicus, ensuring a constant supply of oxygen and a secure return. "spacetechnologyvehiclemachinetechnicalChat with AIVocabulary GamePractice Reading
nounπShareOne of the foci of an ellipse or other curve."Imagine an oval running track: the position where the starting gun fires is one umbilicus, and where the finish line tape is stretched is the other. "mathChat with AIVocabulary GamePractice Reading
nounπShareA point of a surface at which the curvatures of the normal sections are all equal to each other."A sphere may be osculatory to the surface in every direction at an umbilicus."anatomymedicinebiologyphysiologyChat with AIVocabulary GamePractice Reading
nounπShareAn ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled."The scribe carefully polished the umbilicus of the scroll, admiring the intricate gold leaf design on the small, ornamented boss. "artwritingliteraturearchaeologyhistorymaterialitemChat with AIVocabulary GamePractice Reading
