Definify.com
Webster 1913 Edition
Interlineation
Inˊter-linˊe-a′tion
,Noun.
[Cf. F.
interlinéation
.] 1.
The act of interlining.
2.
That which is interlined; a passage, word, or line inserted between lines already written or printed.
Webster 1828 Edition
Interlineation
INTERLINEA'TION
,Noun.
1.
The act of inserting words or lines between lines before written or printed.2.
The words, passage or line inserted between lines before written or printed.