1) Act the parrot again 2) Bounce around a canyon 3) Bounce around, sonically 4) Bounce back again 5) Bounce back again, sonically 6) Come back again 7) Deep canyon feature 8) Double phenomenon in a canyon 9) Echo 10) Have a canyonlike effect 11) Make another comeback 12) Move for another hearing 13) Repeat back like an echo 1) Resonance 
• (v. t.) To echo back; to reverberate again; as, the hills reecho the roar of cannon. • (n.) The echo of an echo; a repeated or second echo. • (v. i.) To give echoes; to return back, or be reverberated, as an echo; to resound; to be resonant.
Re·ëch'o (rē*ĕk'o) transitive verb To echo back; to reverberate again; as, the hills reëcho the roar of cannon. Re·ëch'o intransitive verb To give echoes; to return back, or be reverberated, as an echo; to resound; to be resonant. « And a loud groan reëchoes from the main.» Pope. Re·ëch'o noun The echo of an echo; a repeated or second echo. 
[v] - echo repeatedly, echo again and again 2. [v] - repeat or return an echo again or repeatedly 3. [v] - repeat back like an echo