The Collaborative International Dictionary of English v.0.48:

Construction \Con*struc"tion\, n. [L. constructio: cf. F.
   construction.]
   1. The process or art of constructing; the act of building;
      erection; the act of devising and forming; fabrication;
      composition.
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   2. The form or manner of building or putting together the
      parts of anything; structure; arrangement.
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            An astrolabe of peculiar construction. --Whewell.
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   3. (Gram.) The arrangement and connection of words in a
      sentence; syntactical arrangement.
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            Some particles . . . in certain constructions have
            the sense of a whole sentence contained in them.
                                                  --Locke.
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   4. The method of construing, interpreting, or explaining a
      declaration or fact; an attributed sense or meaning;
      understanding; explanation; interpretation; sense.
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            Any person . . . might, by the sort of construction
            that would be put on this act, become liable to the
            penalties of treason.                 --Hallam.
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            Strictly, the term [construction] signifies
            determining the meaning and proper effect of
            language by a consideration of the subject matter
            and attendant circumstances in connection with the
            words employed.                       --Abbott.
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            Interpretation properly precedes construction, but
            it does not go beyond the written text. --Parsons.
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   Construction of an equation (Math.), the drawing of such
      lines and figures as will represent geometrically the
      quantities in the equation, and their relations to each
      other.

   Construction train (Railroad), a train for transporting men
      and materials for construction or repairs.
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WordNet (r) 3.0 (2006):

construction
    n 1: the act of constructing something; "during the construction
         we had to take a detour"; "his hobby was the building of
         boats" [syn: construction, building]
    2: a group of words that form a constituent of a sentence and
       are considered as a single unit; "I concluded from his
       awkward constructions that he was a foreigner" [syn:
       construction, grammatical construction, expression]
       [ant: misconstruction]
    3: the creation of a construct; the process of combining ideas
       into a congruous object of thought [syn: construction,
       mental synthesis]
    4: a thing constructed; a complex entity constructed of many
       parts; "the structure consisted of a series of arches"; "she
       wore her hair in an amazing construction of whirls and
       ribbons" [syn: structure, construction]
    5: drawing a figure satisfying certain conditions as part of
       solving a problem or proving a theorem; "the assignment was
       to make a construction that could be used in proving the
       Pythagorean theorem"
    6: an interpretation of a text or action; "they put an
       unsympathetic construction on his conduct" [syn:
       construction, twist]
    7: the commercial activity involved in repairing old structures
       or constructing new ones; "their main business is home
       construction"; "workers in the building trades" [syn:
       construction, building]