1º_ It is said of the base, plant, origin of something. From the Latin ped, pedis ("foot, trunk and root of tree, limit"). 2º_ By the previous one, "each of the support ends in the legs", and by extension also of the legs in the animals. 3º_ By the previous one, "which is at the bottom"; and this even if it is not the origin, as it happens in the foot of the letter ("missive") where the end would be. 4º_ By the second meaning, measure of length with different size according to the place and the time. 5º_ In poetry it is the syllabic unit that is used to measure the verses. 6º_ In theater is the phrase that an actor pronounces to indicate to another to begin his parliament. 7º_ 'PIE' is an acronym with various developments such as "Participation of State Taxes" or "Business Innovation Park". 8º_ 'PIE' is the IATA code for Saint Petersburg Clearwater Airport in Florida (USA).