/muy rob"euh leuhn, mi-/ , n.
1. the dried plumlike fruit of certain tropical trees of the genus Phyllanthus, used in dyeing, tanning, and making ink.
2. See cherry plum .
[ 1350-1400; ME myrobalanum myrobálanos kind of fruit, equiv. to mýro ( n ) balsam + bálanos acorn ]