Definition

1. Noun:

   • An erratic deflection from an intended course: A temporary, often uncontrolled, sideways movement or deviation from a straight path, typically used for ships or aircraft.

2. Verb:

   • To swerve off course momentarily: To turn or deviate temporarily and unsteadily from a straight course, especially due to external forces like wind or waves.
   • To deviate erratically from a set course: To move in an unsteady, side-to-side manner while progressing.
   • To be wide open: (Archaic or specialized) To gape or open wide.

Usage Examples

• Noun:

  • The pilot corrected for the sudden yaw caused by the crosswind.
  • A strong yaw to the left made the ship difficult to steer.

• Verb:

  • The small boat began to yaw in the heavy swell.
  • The truck's trailer yawed dangerously on the icy road.
  • (Archaic) The old door yawed on its broken hinges.

Advanced Usage

• In aviation: "Yaw" describes rotation around the vertical axis, controlled by the rudder. It is one of the three primary axes of flight (along with pitch and roll).
  • Applying right rudder induces a yaw to the right.
• In maritime contexts: Refers to a vessel's failure to maintain a steady course, often oscillating from side to side.
  • The autopilot struggled to dampen the yacht's yaw.

Variants and Related Words

• Yawing (adj/n): The act or instance of yawing.
  • The yawing motion of the ship made some passengers seasick.
• Yaw rate (n): The angular velocity of a vehicle's rotation around its vertical axis.
  • The sensor measures the aircraft's yaw rate.

Synonyms

• Swerve: To change direction abruptly.
• Veer: To change course or direction.
• Deviate: To depart from an established course.
• Oscillate: To swing or move back and forth.

Related Phrasal Verbs/Phrases

(Note: "Yaw" is not commonly used in standard phrasal verb constructions. Its usage is primarily technical.) - To yaw about/around: To yaw repeatedly or uncontrollably. - The damaged aircraft yawed about before the pilot regained control.

Related Idioms

(Note: There are no common idioms using the word "yaw." It is a technical term.)

Noun

1. an erratic deflection from an intended course

Verb

1. swerve off course momentarily
   • the ship yawed when the huge waves hit it
2. deviate erratically from a set course
   • the yawing motion of the ship
3. be wide open
   • the deep gaping canyon