(Britain) The A1 (partially the A1(M)) road from London to Edinburgh

(anatomy) The large subcutaneous superficial vein of the leg and thigh.

plural of great saphenous vein

(originally humorous, derogatory) Government censorship of the Internet in the People's Republic of China.

The largest and most famous of the Egyptian pyramids, and the only remaining member of the Seven Wonders of the Ancient World.

Alternative form of Great Pyramid of Giza

Strix nebulosa, a very large owl.

(idiomatic) To make a major effort; to be very careful when doing something, especially to an extreme or excessive degree.

The largest kiwi, Apteryx haastii.

plural of great circle route