rampant
ram.pant \'ram-p*nt, -.pant\ aj [ME, fr. MF, prp. of ramper] 1a: rearing upon the hind legs with forelegs extended of a heraldic beast 1b: standing on one hind foot with one foreleg raised above the other and the head in profile 2a: marked by a menacing wildness, extravagance, or absence of restraint 2b: WIDESPREAD 3: having one impost or abutment higher than the other {a ~ arch> - ram.pant.ly av