I. |pē(ˌ)pē|ī noun
( -s )
Etymology: p lan p osition i ndicator
: a radarscope on which spots of light representing reflections of radar waves indicate the range and bearing of objects such as airplanes, ships, buildings, cliffs, and mountains
II. abbreviation
Usage: often not capitalized
1. parcel post insured
2. policy proof of interest