Baily's beads
plural noun
Bai·ly's beads
ˈbālēz-,
-liz-
: the row of brilliant points of sunlight shining through valleys on the edge of the moon that are seen for a few seconds just before and after the central phase in an eclipse of the sun
Word History
Etymology
after Francis Baily †1844 English astronomer who described them
First Known Use
1858, in the meaning defined above