Definitions
1.Adjectiveplane
2.Adjectiveflat, level
3.Adjectiveplain
4.Adjectivesoft
5.Adjectivepenultimate accented
6.Nounplane
7.Nounfloor, storey (of a building)
8.Nounplan, tactic, stratagem, scheme, plot
9.Nounpiano, as short for pianoforte
10.Adverbslowly
11.Adverbcarefully
12.Adverbpiano
13.Adjectiveof any of the popes named Pius; Pian"Ordine Piano"
14.Verbthird-person plural present indicative of piare (“to chirp, to cheep”)