simbolo

A symbol is a sign included in the idea which it represents, e. g., an actual part chosen to
represent the whole, or a lower form or species used
as the representative of a higher in the same kind.
--Coleridge.
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2. (Math.) Any character used to represent a quantity, an operation, a relation, or an abbreviation.
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Note: In crystallography, the symbol of a plane is the numerical expression which defines its position
relatively to the assumed axes.
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3. (Theol.) An abstract or compendium of faith or doctrine; a creed, or a summary of the articles of religion.
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4. ? contributions. That which is thrown into a common fund; hence, an appointed or accustomed duty. [Obs.]
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They do their work in the days of peace . . . and come to pay their symbol in a war or in a plague.
--Jer. Taylor.
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5. Share; allotment. Obs. [1913 Webster]

The persons who are to be judged . . . shall all appear to receive their symbol. --Jer. Taylor.
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6. (Chem.) An abbreviation standing for the name of an element and consisting of the initial letter of the Latin
or New Latin name, or sometimes of the initial letter with
a following one; as, {C} for carbon, {Na} for sodium
(Natrium), {Fe} for iron (Ferrum), {Sn} for tin (Stannum),
{Sb} for antimony (Stibium), etc. See the list of names
and symbols under {Element}.
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Note: In pure and organic chemistry there are symbols not only for the elements, but also for their grouping in
formulas, radicals, or residues, as evidenced by their
composition, reactions, synthesis, etc. See the diagram
of {Benzene nucleus}, under {Benzene}.
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Syn: Emblem; figure; type. See Emblem. [1913 Webster]

Symbol Sym"bol, v. t. To symbolize. [R.] --Tennyson.
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Source: The Collaborative International Dictionary of English