nose dive(n = noun.act) dive, nosedive - a steep nose-down descent by an aircraft;
is a kind of descent
has particulars: power dive

brandy nose, brown nose, bull nose, copper nose, crash dive, dive, dive bomber, dive brake, dive into, hammer nose, hawk nose, keep one's nose to the grindstone, lead by the nose, nose, nose around, nose candy, nose cone, nose count, nose drops, nose flute, nose job, nose out, nose ring, nose tickling, on the nose, parson's nose, pope's nose, potato nose, power dive, pug nose, roman nose, rum nose, sky dive, swallow dive, swan dive, take a dive, toper's nose