The (volume of) air that is inhaled and exhaled with each resting breath

(astronomy) Alternative form of tidal locking / A sealock.

Tidal energy.

plural of tidal lock

(nautical) The flow of the water caused by rising and falling tide

(nautical, navigation) A diamond-shaped symbol on a chart, indicating the direction and speed of tidal streams

plural of tidal diamond

A railway train service which was scheduled to arrive and depart to make connections with steamships which tended to arrive and depart according to the tides

plural of tidal river

plural of tidal stream