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
Quiz Guy John Chaneski has a take-off puzzle involving the letters V and W. Each sentence clues two words, one of which has lost either a V or a W. For example, what two words does the following sentence suggest? He plugged his guitar into the...
Yasha, who grew up speaking Russian, recalls phrase used to comfort a child after a small mishap like a skinned knee. The phrase translates as “It will heal in time for the wedding,” and Yasha had assumed it was solely Slavic. So he was surprised to...