heliograph: a device with shutters and mirrors used for sending Morse code via sunbeams
auscultation: listening to internal organs for medical purposes (e.g. with a stethoscope)
erethism: physiologically or psychologically, abnormally sensitive or irritable
appanage: something one is entitled to by rank or position, real or figurative
arras: a tapestry or hanging, or a gift given by the husband at marriage
trepidant: characterized by trepidation (an uncommon adjective)
indurate: to make enduring, unfeeling, or hard, or to accustom
strathspey: a type of slow Scottish dance
corant: a quick but stately dance
pleach: to interweave or braid