Definition of "reverberant"

reverberant

/ɹɪˈvɜːbəɹənt/

adjective
comparative more reverberant, superlative most reverberant
1. (heraldry, of a lion’s tail, rare) Turned up sigmoidally, with the end pointing outward; reboundant.
  Quotations
  Their tailes forked, nowed, resignant, reuerberant, descendant, percussed and contercoloured. In all these fourmes, or likenesses they are descriued, and pictured: as also otherwise ensigned or marked, then here is remembred. Wherefore I wil presently write more, […]
  1597, John Bossewell, Works of Armorie: devided into 3 Bookes, intituled the Concordes of Armorie, the Armorie of Honor and of lotes and creastes, page 42
  A Lion rampant regardant, the tail reverberant or beaten back, or reboundant, as having beaten it to his back, and it hath rebounded again from thence.
  1688, Randle Holme, Academy of Armory
2. Tending to reverberate.