Heath
Etymology
From Old English "hǣth" ("untilled land, wasteland"), cognate with German "Heide." The shrub "heather" and the given name Heather grow from the same root.
noun · /HEETH/
An area of open, uncultivated land on acidic, sandy soil, dominated by low shrubs such as heather and gorse.
What it names
A distinct habitat — dry, scrubby lowland — and reminds us that the plant "heather" is named for it.
Example
The heath blazed purple with heather in late summer.
Related idea
A moor is typically higher and wetter; a heath is drier and lower — the distinction is real but loosely observed.