(1):

(n.) A signal, played in the same manner as a trump signal, made by a player who holds four or more trumps (or as played by some exactly three trumps) and whose partner has led trumps or signaled for trumps.

(2):

(n.) A signal showing the number held of a plain suit when a high card in that suit is led by one's partner.

(3):

(v. i.) To give an echo; to resound; to be sounded back; as, the hall echoed with acclamations.

(4):

(n.) Fig.: Sympathetic recognition; response; answer.

(5):

(n.) A sound reflected from an opposing surface and repeated to the ear of a listener; repercussion of sound; repetition of a sound.

(6):

(n.) A wood or mountain nymph, regarded as repeating, and causing the reverberation of them.

(7):

(n.) A nymph, the daughter of Air and Earth, who, for love of Narcissus, pined away until nothing was left of her but her voice.

(8):

(v. t.) To repeat with assent; to respond; to adopt.

(9):

(v. t.) To send back (a sound); to repeat in sound; to reverberate.