Definition of pin oak in English:

pin oak

Syllabification: pin oak

Entry from US English dictionary

noun

A North American oak with deeply lobed, toothed leaves. Its dead branches remain in position and resemble pegs fixed in the trunk.
  • Quercus palustris

Definition of pin oak in:

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Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
adjective
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