A knot similar to the reef knot but crossed the opposite way.

(idiomatic) The abandonment of an elderly relative in a public place, e.g. a hospital.

A grandmother of one's spouse.

A grandfather of one's spouse.

Alternative spelling of land grant

(US) A grant of land by the US government to encourage the development of western states, especially land transportation and practical higher education.

the name used for one's grandma

(colloquial) one's grandmother

Alternative form of grand ducal

A grandmaster, in some field, whose skills or accomplishments exceed those of other grandmasters.