The name that is transliterated as “Aaron” in English is translated in Catalan Sign Language and Spanish Sign Language as “stones on chest plate” (according to Exodus 28:15-30) (Source: John Elwode in The Bible Translator 2008, p. 78ff.)

“Aaron” in Spanish Sign Language, source: Sociedad Bíblica de España

In Colombian Sign Language, Honduras Sign Language, and American Sign Language, the chest plate is outlined (in ASL it is outlined using the letter “A”):

“Aaron” in ASL (source )

See also Moses and this lectionary in The Christian Century .