noun
- a horizontal beam or structure that extends across something, especially a transverse support on a utility pole or mast
Usage: often used in plural or as a compound modifier; common in electrical and telecommunications infrastructure
Examples
- The utility pole had multiple crossarms to support the power lines.
- Technicians installed new crossarms on the telephone poles along the street.
- The crossarms on the transmission tower distribute the weight of the cables evenly.
- Damaged crossarms need to be replaced to maintain the integrity of the electrical grid.