คำว่า ' umbilicus ' ( N )
มีความหมายในภาษาไทยว่า สะดือ
คำศัพท์อื่นๆที่มีความหมายเหมือนกัน : ศูนย์กลาง
คำนิยามในภาษาอังกฤษ (definition) :
[n.] The depression, or mark, in the median line of the abdomen, which indicates the point where the umbilical cord separated from the fetus; the navel.
[n.] An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled.
[n.] The hilum.
[n.] A depression or opening in the center of the base of many spiral shells.
[n.] Either one of the two apertures in the calamus of a feather.
[n.] One of foci of an ellipse, or other curve.
[n.] A 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. Called also umbilic.