To thrust into liquid, or into any penetrable substance; to immerse.
To pitch or throw oneself headlong or violently forward, as a horse does.
To bet heavily and recklessly; to risk large sums in gambling.
To cast, stab or throw into some thing, state, condition or action.
To fall or rush headlong into some thing, action, state or condition.
To remove a blockage by suction.
To dive, leap or rush (into water or some liquid); to submerge oneself.
Heavy and reckless betting in horse racing; hazardous speculation.
A dive, leap, rush, or pitch into (into water).
The act of plunging or submerging.
The act of pitching or throwing oneself headlong or violently forward, like an unruly horse.
To perforate with a trephine.
To use a trephine during surgery.
A surgical instrument with a cylindrical blade used to remove a circular section of tissue, f.e. bone or cornea; a trepan.