A cross bound by a circle.

Bound Cross

A cross bound by a circle.

An illustration of expanded metal.

Expanded Metal

An illustration of expanded metal.

An extreme form of the expanded foot, which is adapted for swimming.

Expanded Foot

An extreme form of the expanded foot, which is adapted for swimming.

A cross with a circular disk placed on it, as at Iona.

Iona

A cross with a circular disk placed on it, as at Iona.

An expanded ornamental cross.

Ornamental Cross

An expanded ornamental cross.

"Leaf of Venus's Fly-trap (Dionaea muscipula), viewed laterally in its expanded state." — The Encyclopedia Britannica, 1893

Venus Fly-trap

"Leaf of Venus's Fly-trap (Dionaea muscipula), viewed laterally in its expanded state." — The…