CRYPTIC CROSSWORD No. 16,831

ACROSS: 1 Recluse. 5 Nearby. 9 Pfennig. 10 Cadmium. 11 Act. 12 Steelworker. 13 Erode. 14 Pickaback. 16 Side-slips. 17 Add up. 19 Transparent. 22 Oil. 23 Presume. 24 Toaster. 26 Isobar. 27 Rostrum. DOWN: 1 Replace. 2 Chests of drawers. 3 Urn. 4 Eagle. 5 Necklaces. 6 Audio. 7 Bricks and mortar. 8 Amtrak. 12 Specs. 14 Privateer. 15 Apart. 16 Sit-ups. 18 Pilgrim. 20 Squib. 21 Ester. 25 Ass.