Term Definition: Lane
Main Description

An Lane is a sub-partitiion within a Pool and will extend the entire length of the Pool, either vertically or horizontally. lanes are used to organize and categorize activities within in a Pool. The meaning of the lanes is up to the modeler.

This term can be found in the OMG  Business Process Modeling Notation, V1.2 (Beta 3)  specification http://www.omg.org/docs/dtc/08-02-07.pdf