Definition of alula in English:

alula

nounPlural alulae ˈaljʊləˈalyələ

technical term for bastard wing
Example sentencesExamples
- Although the alula is absent, the third finger probably had the same function in controlling separation of the upper surface airflow.
- It has pure white body feathers except for the black alulae, primary techrices and primary remiges.
- ‘The alula is essential in modern birds for low-speed flight and maneuverability,’ they wrote.
- Yearlings in the study were identified in the hand by the olivegreen (rather than blue) edges of their alulae and primary coverts.
- He discovered the vortices that are produced off the wings, and observed the alulae, or ‘thumbs’ of the wings.

Origin

Late 18th century: modern Latin, literally 'small wing', diminutive of ala.

Definition of alula in US English:

alula

nounˈalyələ

technical term for bastard wing
Example sentencesExamples
- Yearlings in the study were identified in the hand by the olivegreen (rather than blue) edges of their alulae and primary coverts.
- Although the alula is absent, the third finger probably had the same function in controlling separation of the upper surface airflow.
- ‘The alula is essential in modern birds for low-speed flight and maneuverability,’ they wrote.
- It has pure white body feathers except for the black alulae, primary techrices and primary remiges.
- He discovered the vortices that are produced off the wings, and observed the alulae, or ‘thumbs’ of the wings.

Origin

Late 18th century: modern Latin, literally ‘small wing’, diminutive of ala.

词汇	alula
释义	Definition of alula in English: alula nounPlural alulae ˈaljʊləˈalyələ technical term for bastard wing Example sentencesExamples Although the alula is absent, the third finger probably had the same function in controlling separation of the upper surface airflow. It has pure white body feathers except for the black alulae, primary techrices and primary remiges. ‘The alula is essential in modern birds for low-speed flight and maneuverability,’ they wrote. Yearlings in the study were identified in the hand by the olivegreen (rather than blue) edges of their alulae and primary coverts. He discovered the vortices that are produced off the wings, and observed the alulae, or ‘thumbs’ of the wings. Origin Late 18th century: modern Latin, literally 'small wing', diminutive of ala. Definition of alula in US English: alula nounˈalyələ technical term for bastard wing Example sentencesExamples Yearlings in the study were identified in the hand by the olivegreen (rather than blue) edges of their alulae and primary coverts. Although the alula is absent, the third finger probably had the same function in controlling separation of the upper surface airflow. ‘The alula is essential in modern birds for low-speed flight and maneuverability,’ they wrote. It has pure white body feathers except for the black alulae, primary techrices and primary remiges. He discovered the vortices that are produced off the wings, and observed the alulae, or ‘thumbs’ of the wings. Origin Late 18th century: modern Latin, literally ‘small wing’, diminutive of ala.
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