— precancellation , n.
/pree kan"seuhl/ , v. , precanceled, precanceling or ( esp. Brit. ) precancelled, precancelling , n. Philately.
v.t.
1. to cancel (a stamp) before placing it on a piece of postal matter.
n.
2. a precanceled stamp.
[ 1920-25; PRE- + CANCEL ]