9d In woodwork, joined at right angles by the meshing of wedge-shaped tooth-like cuts (10) ?O?E?AiL??
24d In biology, the fusion of two gametes of similar form as in certain algae (7) i??G?AY
40a A city of southern Italy on the Adriatic Sea, southeast of Bari. It was an ancient centre of trade with the eastern Mediterranean and an embarkation point for the Crusaders during the Middle Ages (8) B??N???i