(physics) A candidate unified theory of all physical forces and particles; a theory which suggests that subatomic particles are one-dimensional strings rather than zero-dimensional points. It also suggests that space-time can have up to nine dimensions, plus the dimension of time.

(horticulture) A powered, hand-held garden implement that uses a rotating monofilament line to cut grass, etc., without damaging other objects.

A scanty covering for the genitalia, with a thin strip of fabric that passes between the buttocks. / A type of loincloth or breech cloth.

(music) On a stringed musical instrument, the string that produces the note of G.

A common bean (Phaseolus vulgaris) / An immature runner bean (Phaseolus coccineus) / A yardlong bean (Vigna unguiculata subsp. sesquipedalis) / A hyacinth bean (Lablab purpureus)

(sports) A unit of players which is considered to have a secondary level of talent and which usually plays after the first string.

(idiomatic) Not as good; of a lower quality or condition.

describing the members of a sports team who play regularly at the start of a match (rather than being substituted on)

the members of a sports team who play regularly at the start of a match (rather than being substituted on) / the first violinist in an orchestra.

belonging to the third string of a team; one who plays behind the first and second strings. / a substitute or replacement.