That portion would spread laterally, consuming and replacing the flesh next to, it, gradually transforming the whole entity.

The long irregular branches spread laterally, and form a dense canopy with the broad green leaves.

It spreads laterally in a vigorous way rather than growing upright.

"But when I checked a week later, the stain had spread laterally along the base of the bookcases."

Flames from the other drums spread laterally.

The fibres will not lengthen much, but will spread apart laterally.

But it needs to spread laterally - can you do that?' '

The slime spreads laterally; gravity is not involved.

The instrument is hinged so that when the handles are squeezed together the blades spread laterally, allowing examination.

If the tumor spreads laterally, the cavernous sinus and all its constituent nerves could be in danger.