A carpenter bee drilling a hole into wood.
The definition of a carpenter bee is a bee that bores tunnels in wood and lays eggs. The common name for this insect is often spelled "carpenterbee." However, according to the Entomological Society of America (ESA) the correct common name of this insect is "carpenter bee."
An example of a carpenter bee is a bee that does not live with other bees and lays its eggs in timber.
any of certain solitary bees (family Anthophoridae) that bore tunnels in timber, where the females lay eggs