Definition of forths:
(adv) :
(formal, archaic) Out into view; from a particular place or position.
(adv) :
(formal, archaic) Forward in time, place or degree.
(adv) :
(obsolete) Beyond a (certain) boundary; away; abroad; out.
(n) :
An imperative, stack-based high-level concatenative programming language, used mostly in control applications.
(n) :
A river in Scotland that flows for about 47 km (29 miles) from The Trossachs through Stirling to the Firth of Forth on the North Sea.
(n) :
A sea area that covers the Firth of Forth