gyro noun¹. ['dʒʌɪrǝʊ] Pl. -os. E20.
[Abbreviation.]
1. = GYROSCOPE. colloq. E20.

2. = GYROCOMPASS. colloq. E20.

Comb.:
gyro-horizon = ARTIFICIAL horizon; gyro-pilot a gyrocompass used to provide automatic steering for an aircraft or ship; gyro-stabilizer a gyroscope kept continuously spinning and mounted so as to counter any tendency to roll on the part of a ship, aircraft, platform, etc.

[TahlilGaran] English Dictionary ▲

gyro noun². ['jɪǝrǝʊ, 'dʒɪǝ-, 'dʒʌɪ-; 'jiro] US. Pl. -os [-ǝʊz, -ɔs]. L20.
[mod. Greek guros turning: see GYRO-.]
A sandwich of pitta bread filled with slices of spiced meat cooked on a spit, tomatoes, onions, etc.

[TahlilGaran] English Dictionary ▲

gyro- combining form ['dʒʌɪrǝʊ] of Greek guros ring, circle, used also with the sense 'rotation': see -O-.

■ gyrocopter noun a kind of autogiro, now spec. a small light single-seater one E20.

■ gyrofrequency noun (Physics) the frequency with which a charged particle spirals about the lines of force of a magnetic field M20.

■ gyroplane noun an aircraft in which lift is provided by aerofoils rotating in an approximately horizontal plane; esp. one in which these are not driven by an engine but rotate as a result of the aircraft's forward motion E20.

■ gyrostat noun any of various forms of gyroscope L19.

■ gyro'static adjective of or pertaining to a gyrostat or the principle of the gyroscope L19.

■ gyro'statically adverb = GYROSCOPICALLY L19.

■ gyro-the'odolite noun a type of theodolite that incorporates a gyroscope as an aid to orientation M20.

■ gyrotiller noun (Agriculture) a cultivator in which tines rotate about an axis M20.

[TahlilGaran] English Dictionary ▲