I saw a worm crawling on the ground.

Birds often worm their way into the nests of other birds.

I found a worm cast in my garden.

The worm gear is used to transmit motion between two non-parallel, non-intersecting shafts.

The old book was worm-eaten and had holes in it.

I saw a measuring worm crawling on the tree.

Dealing with this issue is like opening another can of worms.

Scientists discovered a wormhole in space.