A flat shuriken resembling a spiked wheel, as opposed to the longer stick-like kind.
"The master tossed the shaken weapon into the air, watching it spin like a small sun before slicing through the target."
past participle of shake
"After hearing the loud crash, she was completely shaken and couldn't stop trembling from head to toe."
In a state of shock or trauma.
"After hearing about the car crash, she sat in stunned silence, completely shaken by what she had just witnessed."
Shaken comes from Middle English, where it originally meant to tremble or shake. The word evolved through the addition of a prefix and suffix that formed its past participle form.