FILUM
filum (fI-l<<schwa>>m). [Latin “thread”] Hist. 1.A thread or wire that holds (esp. legal)
papers together to form a file. • This was the ancient method of filing legal papers. 2. An
imaginary thread or line passing through the middle of a stream or road. — Also termed (in sense
1) filacium.
filum aquae (fI-l<<schwa>>m ay-kwee). [Latin “thread of water”] A line of water; the middle
line of a stream of water, supposedly dividing it into two equal parts and usu. constituting the
boundary between the riparian owners on each side. — Also termed medium filum. [Cases:
Boundaries 12. C.J.S. Boundaries § 25.]
filum forestae (fI-l<<schwa>>m for-<<schwa>>-stee). [Latin] The border of a forest.
filum viae (fI-l<<schwa>>m vI-ee). [Latin] 1. The middle line of a road. 2. The boundary
between landowners on each side of a road. [Cases: Boundaries 19. C.J.S. Boundaries § 33.]
medium filum.See filum aquae.[Blacks Law 8th]