The Collaborative International Dictionary
Outbuild \Out*build"\, v. t. [imp. & p. p. Outbuiltor Outbuilded; p. pr. & vb. n. Outbuilding.] To exceed in building, or in durability of building.
Wiktionary
vb. (context transitive English) To build more or better than.
Usage examples of "outbuild".
When most of the surviving men were away, however, a grass fire set light to this outbuilding and all the powder blew up.
So he wore the suit, because all his other clothes were dirty and he had not had time to take them down to the little outbuilding and plug dollar coins into the washing machine.
Rome and savage Africa, for while the main part of the building was roofed with handmade tile, several porches were covered with native grass thatch, while a small outbuilding at the far end of the garden was a replica of a Bagego hut except that the walls were left unplastered, so that the structure appeared in the nature of a summer-house.