Webster's Revised Unabridged Dictionary · 1913

Engross

Engross , transitive verb

[French, from pref. en- (Latin in) + gros gross, grosse, n., an engrossed document: compare Old French engrossir, engroissier, to make thick, large, or gross. See Gross.]

1.
To make gross, thick, or large; to thicken; to increase in bulk or quantity. [Obsolete]
Waves... engrossed with mud. — Spenser
Not sleeping, to engross his idle body. — Shakespeare
2.
To amass. [Obsolete]
To engross up glorious deeds on my behalf. — Shakespeare
3.
To copy or write in a large hand (en gross, i. e., in large); to write a fair copy of in distinct and legible characters; as, to engross a deed or like instrument on parchment.
Some period long past, when clerks engrossed their stiff and formal chirography on more substantial materials. — Hawthorne
Laws that may be engrossed on a finger nail. — De Quincey
4.
To seize in the gross; to take the whole of; to occupy the attention completely; to absorb; as, the subject engrossed all his thoughts.
5.
To purchase either the whole or large quantities of, for the purpose of enhancing the price and making a profit; hence, to take or assume in undue quantity, proportion, or degree; as, to engross commodities in market; to engross power.
Collocations (2)
Engrossed bill (Legislation) , one which has been plainly engrossed on parchment, with all its amendments, preparatory to final action on its passage.
Engrossing hand (Penmanship) , a fair, round style of writing suitable for engrossing legal documents, legislative bills, etc.