Definitions for "Snow line"
1. In general, the outer boundary of a snow-covered area. It has at least two specific applications: 1) the actual lower limit of the snow cap on high terrain at any given time; 2) the ever-changing equatorward limit of snow cover, particularly in the Northern Hemisphere winter. 2. Same as firn line. See climatic snow line.
the line on a mountain above which there is perpetual snow and ice
The boundary above which snow remains all year.
The 863-3111 voice mail line on which University administrative office closings are announced. (See Administrative Closings Due to Inclement Weather policy (20.052) for more information.)