Wiktionary (0.00 / 0 votes) Rate this definition: sultan (Noun). Originally, a secular office, formally subordinate to -, but de facto the power behind the throne of the (theoretically universal) caliph. hereditary ruler in various Muslim states (sultanate), varying from petty principalities (as in Indonesia and in Yemen), often vassal of a greater ruler, to independent realms, such as Oman, Brunei, or an empire such as the Turkish Ottoman Empire.
Rocker arm. A rocker arm (in the context of an internal combustion engine of automotive, marine, motorcycle and reciprocating aviation types) is an oscillating lever that conveys radial movement from the cam lobe into linear movement at the poppet valve to open it.hen the camshaft lobe raises the outside of the arm, the inside presses down on the valve stem, opening the valve. When the outside of the arm is permitted to return due to the camshafts rotation, the inside rises, allowing the valve spring to close the valve.
Updated February 20, 2016. A compression sleeve is a stretchy elasticized garment that is custom-fitted to your arm, and helps with pain and swelling caused by arm lymphedema. Sometimes a compression sleeve is referred to as a compression garment, compression arm sleeve, lymphedema sleeve or a pressure sleeve. A compression sleeve may be worn during exercise, when traveling by air, or when you need help managing lymphedema. During breast cancer surgery, some of your lymph nodes may be removed and tested in a procedure called axillary lymph node dissection.