DCHP-1 Online
sap-boiling Maple Industry 
n. the process of boiling maple sap to make syrup and sugar through evaporation and crystallization.
See also: sugaring-off
- 1885 . . . the sap-boiling was under the direction of my mother, who mustered all the pots and kettles she could command, and when they were properly suspended over the fire on wooden hooks, she watched them, and rocked me in a sap-trough.
- 1885 . . . the sap-boiling was under the direction of my mother, who mustered all the pots and kettles she could command, and when they were properly suspended over the fire on wooden hooks, she watched them, and rocked me in a sap-trough.