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From The Collaborative International Dictionary of English v.0.44 [gcide]:
Na \Na\ (n[aum]), adjective & adverb No, not. See {No}. [Obs.] --Chaucer.
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Symbol \Sym"bol\ (s[i^]m"b[o^]l), noun [L. symbolus, symbolum, Gr. sy'mbolon a sign by which one knows or infers a thing, from symba'llein to throw or put together, to compare; sy'n with + ba'llein to throw: cf. F. symbole. Cf. {Emblem}, {Parable}.]
1. A visible sign or representation of an idea; anything which suggests an idea or quality, or another thing, as by resemblance or by convention; an emblem; a representation; a type; a figure; as, the lion is the symbol of courage; the lamb is the symbol of meekness or patience.
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.
2. (Math.) Any character used to represent a quantity, an operation, a relation, or an abbreviation.
Note: In crystallography, the symbol of a plane is the numerical expression which defines its position relatively to the assumed axes.
3. (Theol.) An abstract or compendium of faith or doctrine; a creed, or a summary of the articles of religion.
4. [Gr. ? contributions.] That which is thrown into a common fund; hence, an appointed or accustomed duty. [Obs.]
They do their work in the days of peace . . . and come to pay their symbol in a war or in a plague. --Jer. Taylor.
5. Share; allotment. [Obs.]
The persons who are to be judged . . . shall all appear to receive their symbol. --Jer. Taylor.
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}.
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}.
Syn: Emblem; figure; type. See {Emblem}.
From WordNet (r) 2.0 [wn]:
Na
noun: a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt) [syn: {sodium}, {atomic number 11}]
From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:
na The {country code} for Namibia. (1999-01-27)
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