Definition of pinhole borer in English:

pinhole borer

Syllabification: pin·hole bor·er

noun

An ambrosia beetle (family Platypodidae), specifically the larva, which makes minute round holes in timber.
More example sentences
  • Pinhole borers infect only green timber and standing trees, and die out as the wood dries.
  • Among the most common of these associated with dead/dying pines in Alabama are southern pine sawyer, ambrosia beetles, and pinhole borers.

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Word of the day erroneous
Pronunciation: ɪˈrəʊnɪəs
adjective
wrong; incorrect