Into the canyon came a monstrous creature, huge, on massive legs.

A jack-up rig can raise and lower itself on three or four massive "legs."

Now he lifted one massive leg, forced it through the air and drove his foot into the rust.

It walked stiffly on massive legs, one slow step at a time, toward the gate.

The massive legs gave under him but carried them another step through the force field.

He hung upside down before a pair of massive legs.

Eagles are large birds with long, broad wings and massive legs.

One of his massive legs had caught on the chair as he fell.

The shoes were attached to two equally massive legs.

There is an implication of a head and neck that flow into massive legs.