plural of surface boundary layer

plural of surface-to-air missile

plural of air-to-surface missile

(military) A missile that is fired from an aircraft to the ground.

Third-person singular simple present indicative form of scratch beneath the surface

simple past tense and past participle of scratch below the surface

Third-person singular simple present indicative form of scratch below the surface

Synonym of scratch beneath the surface

simple past tense and past participle of scratch beneath the surface

present participle of scratch beneath the surface