excavator
excavator Lexical Profile
excavator Game Scores & Validity
• noun
A large motorized construction machine equipped with a bucket on the end of an articulated boom, used for digging and moving earth, rock, or other heavy materials.
"The construction crew brought in a massive tracked excavator to quickly dig the foundation for the new commercial building."
A person who digs or unearths something, especially an archaeologist or worker who systematically uncovers historical sites, antiquities, or fossils.
"The lead excavator carefully brushed away the centuries of dirt to reveal an intact mosaic floor."
A small, specialized hand tool used by dentists to remove decayed tissue from a tooth cavity before filling it.
"The dentist used a sharp spoon excavator to gently clear out the softened dentin without needing the drill."
Word Nuance & Usage
In everyday speech, 'excavator' is often loosely and incorrectly confused with a 'bulldozer'; an excavator primarily digs and lifts material using an articulated arm, whereas a bulldozer pushes material using a front-mounted blade.
Word Origin & Etymology
From Late Latin 'excavator', an agent noun from 'excavat-', the past participle stem of the verb 'excavare' (to hollow out), composed of 'ex-' (out) and 'cavare' (to hollow).