thicken

For example, drought prompts plants to thicken the waxy cuticle layer on leaf surfaces.

This means any filling that has eggs in it and is being baked to set those eggs in order to thicken the filling.

The plot has thickened over the fate of Shohei Ohtani’s 50th home run ball as another person is claiming legal ownership of the piece of baseball history.

Some developed a thickening of their womb linings, a potential precursor to cancer.

Even as a moist blanket of air in the marine layer thickens, rising to 4,500 feet by Sunday, conditions above that remain parched.