(surfing slang) The inside of a tube (i.e. of a wave making a tube).

A wound covering made of skin, especially when said skin is derived or obtained from the patient

Not living; inanimate.

(evolutionary theory) Any species discovered first as a fossil and believed extinct, but which is later found living; an organism that has remained unchanged over geological periods.

To earn enough income to support oneself and, if applicable, one's family. / (of animals) To manage to find enough food to survive.

A Scottish surname from Old English, variant of Livingston.

plural of living will

(uncountable) Rock that is carved in situ. / Any of various dwarf succulent plants that resemble stones. / Pyura chilensis, a tunicate that resembles a mass of organs inside a rock.

plural of living fossil

A relative measure of the quality of life a person or group has, often with per capita income (GNI or GDP) serving as a proxy measurement but with some notion of human development as the real (underlying) entity being measured.