1. (noun) exposure to the wind (as the exposed part of a vessel's hull which is responsible for wind resistance)

• wind exposure

2. (noun) the deflection of a projectile resulting from the effects of wind

• wind deflection

1. (noun) the retarding force of air friction on a moving object

• drag
• retarding force

2. (noun) the space between the projectile of a smoothbore gun and the surface of the bore of the gun

• diam
• diameter

3. (noun) exposure to the wind (as the exposed part of a vessel's hull which is responsible for wind resistance)

• exposure

4. (noun) the deflection of a projectile resulting from the effects of wind

• bending
• deflection
• deflexion