You can't focus on studying if you're chatting with someone else, too. So the cell phone is off limits. Turn off the home phone, too, along with the computer (unless you're prepping on it) and any music with vocals. Study music should be lyric-free! Post a sign on your door for people to stay away.
cuirass (plural cuirasses) 1  A piece of defensive armor, covering the body from the neck to the girdle. 2  The breastplate taken by itself.
from the GNU version of the Collaborative International Dictionary of English. n. A defense for the front of the thigh, consisting of one or more iron plates hanging from the belt on the lower edge of the corselet. from The Century Dictionary and Cyclopedia. n. In armor: A splint of steel of which several form the skirt, depending from the cuirass in the complete armor of the fifteenth century, before the introduction of the base.