The boundary-line between functional and structural diseases is not always clearly defined.
How determine the boundary-line to cleave this continent in twain?
The lofty limestone ridge of which I have spoken is in fact the boundary-line at this part.
The lyric element in them steps beyond the boundary-line of poetry.
It is so removed from popular control that self-government terminates at the boundary-line of the District of Columbia.
And Miss Gresley said she did not think he was quite a bounder, only on the boundary-line.
Circumference, sėr-kum′fėr-ens, n. the boundary-line of any round body, esp.
For him there is no boundary-line between the two, the one is as real and actual as the other.
This island stands, as it were, upon the boundary-line between two worlds.
When the little procession reached the boundary-line between the two parishes, they sat down on a dyke and waited.