A geometric design caused by the vortices of an aircraft swirling the smoke from its anti-missile flares.

(business) An investor to a start-up, especially one who invests very early or during the company's initial forming.

a type of mercy killer, a caregiver who is a serial killer, and who practices mercy killing on both the willing and unwilling, knowing and unknowing, dependent only on the killer's sense of a patient's level of suffering from their illness.

A layer cake consisting of two or three layers of sweet sponge (made with butter) coloured white, pink and yellow with a thin layer of white cream, which originated in Britain.

A waterfall in the Canaima National Park, Venezuela; the highest waterfall in the world.

Archangel.

Any of a group of small swimming sea slugs of the suborder Gymnosomata

Soleirolia soleirolii, a plant in the nettle family.

(spirituality) A number or sequence of numbers that a person frequently notices in the world around them, believed to be a message from benevolent angels.

plural of angel number