plangent

adjective2

1. •
   Having a loud, mournful sound.

   • [S]how him a refined or powerful face, let him hear a plangent or a penetrating voice […] and his mind was instantaneously awakened. — 1879
2. •
   (rare) Beating, dashing, as waves.

   • What central sea with plume-plucked midnight strewn, Plangent to what enormous plenilune That lifts in silence, hinderless and stark? — 1922