A life vest or other device or article of clothing designed to be used by one person as an aid to remaining safely afloat in water, especially in a emergency situation.

A usually large jigsaw puzzle that does not fit into a frame, meant, instead, to be assembled on a surface such as a floor.

plural of floor puzzle

Raw silk, having the appearance of cotton wool, once used for embroidery and as dental floss.

plural of flow variable

the farming of flowers

Alternative spelling of four-on-the-floor.

(networking) The management of the data transmission rate between two nodes to prevent a fast sender from outrunning a slow receiver.

(athletics) A high jump in which the jumper leaps backward and arches the back over the bar.

A counterculture started in the United States in the 1960s, advocating peace and love over militarism and materialism.