The regulation requiring all traffic (travelling on a road or otherwise) to keep either to the left or the right. / (nautical) A regulation concerning safe handling of vessels on seaways.

plural of labour of love

To like; to hold in high esteem; to look upon favourably. / To consider deeply. (usually in the negative)

(idiomatic) Of the same kind. / Used other than figuratively or idiomatically: see of, a, piece.

(idiomatic) To form one's personal opinions and choose one's actions without being governed by the views or choices of others; to be independently minded; to think for oneself.

(idiomatic) The effort extended in (often manual) labour, and the value created thereby.

The quality, manner or way an individual speaks.

(astronomy) A point on the celestial sphere where the sun crosses the celestial equator on March equinox.

To result from.

plural of head of hair