my friend has relentless right ear pounding too, initially diagnosed as pulsatile tinnitus, but after a CT scan was determined to be mastoiditis (though she cannot remember having an ear infection and has no pain with the pounding). Hopefully the antibiotic will take care of it and that you are better too!
Understudy definition, to learn (a role) in order to replace the regular actor or actress when necessary. See more.
Definition of understory from the Collins English Dictionary Interrogative pronouns The interrogative pronouns who, whom, and whose are used only for reference to people.