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a. The hard outer portion or surface area of bread.
b. A piece of bread consisting mostly of the hard outer portion.
c. A piece of bread that has become hard and dry.
2. A pastry shell, as of a pie or tart.
3. A hard crisp covering or surface: snow with a firm crust.
4. A hard deposit formed on the interior of a wine bottle as the wine matures.
5. Geology
a. The solid, outermost layer of the earth, lying above the mantle.
b. The outermost solid layer of a planet or moon.
6. The hard outer covering or integument of certain plants and animals, such as lichens and crustaceans.
7. An outer layer or coating formed by the drying of a bodily exudate such as pus or blood; a scab.
8. Informal Insolence; audacity; gall.
v. crust·ed, crust·ing, crusts
1. To cover with a crust.
2. To form into a crust.
1. To become covered with a crust.
2. To harden into a crust.

[Middle English cruste, from Old French crouste, from Latin crusta; see kreus- in Indo-European roots.]

crust′less adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.crusted - having a hardened crust as a covering
covered - overlaid or spread or topped with or enclosed within something; sometimes used as a combining form; "women with covered faces"; "covered wagons"; "a covered balcony"


[ˈkrʌstɪd] adj (= encrusted) → encroûté(e)
to be crusted with dirt → être encroûté(e) de saleté


adjmit einer Kruste überzogen, krustig; bloodverkrustet
References in classic literature ?
All about us the snow was crusted in shallow terraces, with tracings like ripple-marks at the edges, curly waves that were the actual impression of the stinging lash in the wind.
Turtle, salmon, tautog, woodcock, boiled turkey, South-Down mutton, pig, roast-beef, have vanished, or exist only in fragments, with lukewarm potatoes, and gravies crusted over with cold fat.
I liked the hush, the gloom, the quaintness of these retreats in the day; but I by no means coveted a night's repose on one of those wide and heavy beds: shut in, some of them, with doors of oak; shaded, others, with wrought old English hangings crusted with thick work, portraying effigies of strange flowers, and stranger birds, and strangest human beings,-- all which would have looked strange, indeed, by the pallid gleam of moonlight.
They were crusted thick with rust and dirt; but she dared not attempt to clean them until bed-time secluded her from the prying eyes of the servants in the solitude of her room.