The crew adjusted the main sheet quickly as the wind shifted.

Some researchers prefer the variant noun main-sequence when discussing stellar classification in older texts.

The cargo train was rerouted onto the main line after the suburban tracks were inspected.

Before dawn, the captain climbed the main-mast to inspect the rigging for damage.

She walked onto the main stage and felt a sudden rush of adrenaline.

During the angiogram, the cardiologist identified a critical lesion in the left main and recommended immediate coronary artery bypass grafting.

The crew gathered on the main-deck to prepare for the storm.

The spacecraft will pass through the Main Belt en route to Jupiter.

The main bitches led the pack with fierce confidence during the parade.

Late at night the steady mains hum of the transformer made concentration impossible.