Being built or under construction, as a structure or a vessel.

present participle of build on

(transitive) To add additional elements or components to (a framework, a concept, a device, etc.) in order to extend it.

(transitive) to add components to a larger entity without interfering with the purpose or functionality of the larger entity

(transitive) to add components to a larger entity without interfering with the purpose or functionality of the larger entity / (transitive) to build something in the interior of an entity

plural of new-build

Third-person singular simple present indicative form of build bridges

Third-person singular simple present indicative form of build upon

Third-person singular simple present indicative form of build up

Third-person singular simple present indicative form of jerry-build