A watertight boat or box, travelling on a line from a wrecked vessel to the shore, and used to haul people through the waves.

One should make the most of one's life, as one never knows when one will die.

The aspects of one's life that are personal, such as family, friends and other personal relationships, as opposed to the elements that make up one's public or professional life.

(Britain) A buoyant object (most commonly torus-shaped) that is used as a life-saving device by keeping a person afloat. / (Britain, metaphoric) Something that rescues one from difficulties.

A kind of tree, the arborvitae. / (biology) A metaphor used to describe the relationships between organisms, both living and extinct, usually represented with a tree-like diagram.

The time that a battery lasts

Someone who has become a member of an organisation for the rest of their life.

plural of life member

Social status.

plural of slice of life