sibley tent(n = noun.artifact) - a light conical canvas tent erected on a tripod with ventilation at the top;
is a kind of canvas, canvas tent, canvass

backpacking tent, bell tent, canvas tent, circus tent, cottage tent, field tent, fly tent, forest tent caterpillar, lean-to tent, mountain tent, oxygen tent, pack tent, pop tent, pup tent, pyramidal tent, sealskin tent, shelter tent, tent, tent caterpillar, tent flap, tent peg, tent stitch, two-man tent, umbrella tent, wall tent