The word 'nighthawk' is correct and commonly used in written English.
It can be used as a noun to refer to a nocturnal bird of prey, specifically a type of nightjar, or as an informal term for a person who stays up late at night. Example: The nighthawk swooped down to catch its prey in the moonlit sky. Example: My neighbor is a real nighthawk, often seen working on his car past midnight.
Some populations of the common nighthawk (Chordeiles minor) of North America and the European nightjar (Caprimulgus europaeus) migrate south to Argentina and South Africa, respectively.
Late 20th-century efforts to evade increasingly sophisticated radar early-warning systems led to the development of the F-117A Nighthawk.
Several new species were described in 1995, including a mountain goat (Pseudonovibos spiralis) from Vietnam, a nightjar (Caprimulgus solala) from Ethiopia, a nighthawk (Chordelies vielliardi) from Brazil, and a pygmy owl (Glaucidum parkeri) from Ecuador.
Now the nighthawk companies, staffed by recent radiology graduates, are competing for the daytime work, too.
So-called nighthawk radiology services began pooling the diagnostic imaging loads of several hospitals and transmitting them electronically to American radiologists stationed overseas or working from home.
It is also known as nighthawk, whip-poor-will, or goatsucker.
The spectacle of the Chancellor, George Osborne, wielding his axe with such alacrity last week is setting an example for Tim Heeley, the newly-installed chief executive of the AIM-listed oil and gas explorer Nighthawk Energy.
After returning briefly to Robinsonville, Johnson settled in Helena, Arkansas, where he played with Elmore James, Robert Nighthawk, and Howlin' Wolf, among others.
From his days in the groups of Waters and the slide guitarist Robert Nighthawk to the vigorous solo career he fashioned over the last 20 years, Mr. Perkins's accomplishments were numerous and considerable.
A bedraggled nude staring out of a window in 1926, a woman in black reading on a train, an usherette in a cinema, a redheaded 'nighthawk' in 1942, a blonde on a bed a decade later, a buxom young secretary in an office in 1962 - Jo Hopper was all of these women, and none of them.
Over some seven decades, he had played with Sonny Boy Williamson II, Robert Nighthawk, Earl Hooker and many other contemporaries, before serving for 11 years as the pianist in Muddy Waters's band.
