What is the meaning of Engross?

To write (a document) in large, aesthetic, and legible lettering; to make a finalized copy of.

To buy up wholesale, especially to buy the whole supply of (a commodity etc.).

To monopolize; to concentrate (something) in the single possession of someone, especially unfairly.

To completely engage the attention of; to involve.

To thicken; to condense.

To make gross, thick, or large; to thicken; to increase in bulk or quantity.

To amass.

Source: wiktionary.org