(anatomy) The flexible structure connecting a foetus with the placenta; it transports nourishment to the foetus and removes waste.

Of, or relating to, the navel (umbilicus) or the umbilical cord. / (mathematics) Such that the curvatures of normal sections are all equal to each other.

(astronautics) A cord connecting an astronaut to a spacecraft, or a craft to ground control prior to launch, etc.

A deep brown colour.

Of a deep brown colour.

To take offense. / To become angry and resentful.

An organisation that coordinates the activities of a number of member organisations and hence promotes a common purpose.

(chemistry) dihydroxycinnamic acid, obtained from certain umbelliferous plants

Any plant of the family Apiaceae, also called Umbelliferae, whose inflorescence is an umbel, such as a carrot or celery.

plural of umbrella organisation