Term: trench: a long steep-sided depression in the ocean floor
Broader: natural depression: a sunken or depressed geological formation | Unrelated: luff: (nautical) the forward edge of a fore-and-aft sail that is next to the mast
Broader: natural depression: a sunken or depressed geological formation | Unrelated: queasiness: a mild state of nausea
Broader: natural depression: a sunken or depressed geological formation | Unrelated: negotiatress: a woman negotiator
Broader: natural depression: a sunken or depressed geological formation | Unrelated: base: a place that the runner must touch before scoring
Broader: natural depression: a sunken or depressed geological formation | Unrelated: boolean operation: an operation that follows the rules of Boolean algebra; each operand and the result take one of two values
Broader: natural depression: a sunken or depressed geological formation | Unrelated: fusion: the combining of images from the two eyes to form a single visual percept
Broader: natural depression: a sunken or depressed geological formation | Unrelated: wheel bug: large predatory North American bug that sucks the blood of other insects
Broader: natural depression: a sunken or depressed geological formation | Unrelated: stooper: a person at a racetrack who searches for winning parimutuel tickets that have been carelessly discarded by others
Broader: natural depression: a sunken or depressed geological formation | Unrelated: oliguria: production of an abnormally small amount of urine
Broader: natural depression: a sunken or depressed geological formation | Unrelated: para aminobenzoic acid: a metabolic acid found in yeast and liver cells; used to make dyes and drugs and sun blockers