Another word for topmost

In cases where the cormus has no pneumatophore the topmost swimming bell may contain an oil-reservoir or oleocyst.
Thick, the topmost stratum being not later than the Parthian era (H.
5) a rising main is taken directly from the boiler to the topmost floor of the building, and from this branches are dropped to the lower floors, and connected by means of smaller branches to radiators or coils.
The tank is placed above the level of the topmost draw off, and often in a cupboard which it will warm sufficiently to permit of its being used as a linen airing closet.
Among the inoffensive species are counted the graceful green " tree snake," which pursues frogs, birds and lizards to the topmost branches of the forest; also several species of pythons, the commonest of which is known as the carpet snake.