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althorn
although
alti-
altimeter
Altiplano
altiplano
altissimo
altitude
altitude sickness
alto
alto-
alto clef
alto-relievo
altocumulus
altogether
altoist
Alton
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alula

al·u·la [ állyələ ] (plural al·u·lae [ állyə l ])


noun 
Definition:
 
part of bird's wing: the part of a bird's wing that corresponds to a thumb and contains a few short feathers

[Late 18th century. < modern Latin, "little wing" < Latin ala "wing"]

al·u·lar adjective
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