The noun construction has 7 senses (first 7 from tagged texts)
1. (663) construction, building -- (the act of constructing something; "during the construction we had to take a detour"; "his hobby was the building of boats")
2. (48) construction, building -- (the commercial activity involved in repairing old structures or constructing new ones; "their main business is home construction"; "workers in the building trades")
3. (42) structure, construction -- (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")
4. (16) construction, grammatical construction, expression -- (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")
5. (6) construction, mental synthesis -- (the creation of a construct; the process of combining ideas into a congruous object of thought)
6. (4) construction, twist -- (an interpretation of a text or action; "they put an unsympathetic construction on his conduct")
7. (3) construction -- (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")