definition of
ache

[1] #1 ache v. [hurt, suffer] feel physical pain; "Were you hurting after the accident?". wn

[2] #2 ache v. [yearn, yen, pine, languish] have a desire for something or someone who is not present; "She ached for a cigarette"; "I am pining for my lover". wn

[3] #3 ache n. [aching] a dull persistent (usually moderately intense) pain. wn

[4] #4 ache v. [smart, hurt] be the source of pain. wn