漣音 is read as れんおん (renon) and means mordent.
れんおん
renon
おん
Chinese-derived character reading
たかね
high-pitched tone
ぼいん
vowel
ほんね
real intention
ろくおん
(audio) recording
そうおん
noise
ぼうおん
soundproofing
いくどうおん
(saying) with one voice
はつおん
production of sound
あしおと
sense or sign that something is approaching
ざつおん
noise (usu. unpleasant)
ていおん
low tone