side letter
n.— «The situation was so dire in Peabody the School Committee last week passed what’s called a “side letter” to the teachers’ contract, a first for the district. The decision allows administrators to offer higher pay to new teachers in “critical shortage” areas: chemistry, mathematics and Spanish.» —“Demand up for teachers; districts hire until the last minute” by Stacie N. Galang Salem News (Massachusetts) Aug. 29, 2007. (source: Double-Tongued Dictionary)
Further reading
Twice a day the River Thames recedes, revealing a muddy shoreline. Hobbyists known as mudlarks stroll the surface searching for objects that have found their way into the river over the centuries, everything from ancient Roman jewelry to modern...
Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when...