ə̇mˈbāmənt, em- noun
( -s )
1.
a. : formation of a bay (as by depression of the land about a river mouth so that the sea overflows it) — compare estuary 1
b. : a bay or a conformation resembling a bay
2. : an irregular corrosion of a crystal by the magma in which it occurs as a foreign inclusion or as by previously crystallized mineral