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1. to turn along an axis while moving forward along a surface.
2. the act of rolling.
3. an object that has been rolled into a cylindrical shape.
pelvic roll pelvic rotation.
trochanter roll a wedge (usually a rolled towel) placed from the crest of the ilium to midthigh to prevent external rotation of the hip when the patient is in a recumbent position.
Use of trochanter roll to prevent external rotation of hip.
See illustration.


1. A mass or structure of a rounded or cylindric form created by rotation of a layer of material around its own long axis.
2. The process by which a round entity is moved by a pressure gradient, as when leukocytes move along a blood vessel wall.


Etymology: OFr, rolle
intrinsic joint movements on an axis parallel to the articulating surface. The axis can remain stationary or move in a plane parallel to the joint surface.


(rol) [Fr. roulle, scroll fr. L. rotula, small wheel]
A usually solid, cylindrical structure.

cotton roll

A cylindrical mass of purified and sterilized cotton used as packing or absorbent material in various dental procedures.

ilial roll

A sausage-shaped mass in the left iliac fossa. It is due to a collection of feces in or induration of the walls of the sigmoid colon.

lumbar roll

An air-filled, foam, or gel cushion placed behind the lower back as a support.

Patient care

It is used to maintain the normal lordotic curvature of the lumbar spine and thereby to relieve pressure on commonly injured structures such as discs and facet joints.

scleral roll

See: spur, scleral

trochanter roll

A cushion or pillow used to hold the hip of a postoperative patient in neutral position.
See: Trochanter Roll

Patient discussion about roll

Q. What roll does the sun have in causing cancer

A. Hi again:

This is a book for everybody here:
Read it and learn to understand why you are fooled day by day!

More discussions about roll
References in periodicals archive ?
Fatoumata Nafo-Traore, Executive Director of Roll Back Malaria Partnership:
Throughout this first session, the League successfully fought attempts to roll back campaign finance reform and attacks on the Clean Air Act.
Truman responded--also without a declaration of war--by ordering American air strikes against the Northern forces, and by creating a coalition force of 16 nations, sanctioned by the United Nations, to roll back the invasion.
XP has a tool, Device Driver Roll Back, that will undo the update.
If recovering a single mailbox, the solution should provide delta-based snapshots mountable as an independent readable/writable drive, without having to roll back the entire volume.
Some members of Congress, with the president's backing, are seeking to roll back vitally important civil rights protections.
Nonetheless, we can't afford to be in denial about this issue: The sheer numbers of people added to the planet each year easily roll back any per capita progress made by conservation measures.
The effects of the government's proposal to roll back the corporate income tax rate reductions will be immediate and detrimental to Ontario's business climate:
Before his combative interview with Dean, Russert went to Bush Administration officials at the Treasury Department to ask for budget data to attack Dean's plan to roll back the Bush tax cuts.
Cruz Bustamante proposed a tax swap last week that would roll back the recent increase in the vehicle license fee and replace that revenue with higher taxes on alcohol, tobacco and the wealthy.
Roll Back Malaria (RBM), a WHO, sponsored consortium of aid agencies, international institutions, and NGOs, has a 40-page action plan for reducing counties' reliance on DDT, with the goal of eventually eliminating its use for public health purposes.
Continental and US Airways were reportedly the first to roll back the fare increase by Monday morning.