Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun tract

4 senses of tract

Sense 1
tract, piece of land, piece of ground, parcel of land, parcel -- (an extended area of land)
       => geographical area, geographic area, geographical region, geographic region -- (a demarcated area of the Earth)

Sense 2
tract -- (a system of body parts that together serve some particular purpose)
       => system -- (a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion")

Sense 3
tract, pamphlet -- (a brief treatise on a subject of interest; published in the form of a booklet)
       => treatise -- (a formal exposition)

Sense 4
nerve pathway, tract, nerve tract, pathway -- (a bundle of myelinated nerve fibers following a path through the brain)
       => white matter, substantia alba -- (whitish nervous tissue of the CNS consisting of neurons and their myelin sheaths)

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