Definition of auriculate in English:
 auriculate
adjective ɔːˈrɪkjʊlətɔˈrɪkjələt
Zoology Botany Having one or more structures shaped like an ear or ear lobe.
 Example sentencesExamples
-  The leaves are distinctive among our cardamines in having auriculate leaf bases.
 -  The Famatina specimens are assigned herein to a new species on the basis of their transverse outline and long, auriculate cardinal extremities.
 -  Under favorable conditions each rosette produces one flowering stem up to 3 meters in height, with numerous auriculate clasping leaves.
 
Origin
  
Early 18th century: from Latin auricula 'external part of the ear' (diminutive of auris 'ear') + -ate2.
   Definition of auriculate in US English:
 auriculate
adjectiveɔˈrɪkjələtôˈrikyələt
Botany Zoology Having one or more structures shaped like an ear or earlobe.
 Example sentencesExamples
-  The leaves are distinctive among our cardamines in having auriculate leaf bases.
 -  Under favorable conditions each rosette produces one flowering stem up to 3 meters in height, with numerous auriculate clasping leaves.
 -  The Famatina specimens are assigned herein to a new species on the basis of their transverse outline and long, auriculate cardinal extremities.
 
Origin
  
Early 18th century: from Latin auricula ‘external part of the ear’ (diminutive of auris ‘ear’) + -ate.