Mr Gregsbury reflected, blew his nose, threw himself further back in his chair, came forward again, leaning his elbows on the table, made a triangle with his two thumbs and his two forefingers, and tapping his nose with the apex thereof, replied (smiling as he said it), ’I deny everything.’
There are no more uses of "apex" in the book.
Show samples from other sources
Cables radiate from the apex of the building to the edge beams.
We were rising fast and it seemed like the hollow would miss us, but just as it reached the apex of its jump, one of its tongues shot out and lassoed Emma around the ankle.