From wood + -let.
woodlet (plural woodlets)
- (rare) A small wood; a thicket.
- Synonyms: bosk, copse, grove, thicket
2017, Dean Koontz, The Silent Corner: A Novel of Suspense, New York, NY: Bantam Books, →ISBN, page 193:
Beyond the patio lay a deep backyard. Privacy walls separated the flanking properties, but no fence defined the end of the lawn, where a woodlet rose at the brink of a shallow ravine.