D defs.my
Entry 1 sense Webster, 1913

Aching

/āk'-ĭng/ · Ach·ing · IPA /ˈeɪ.kɪŋ/
01 a. That aches; continuously painful. See Ache.
  1. 1.
    That aches; continuously painful. See Ache. See: Ache
    “The aching heart, the aching head.” Longfellow.