11-Letter Words Containing: O,B,S,T,A,Y

• an immature lymphocyte

• a musician who plays a keyboard instrument

• showy tropical tree or shrub native to Madagascar; widely planted in tropical regions for its immense racemes of scarlet and orange flowers; sometimes placed in genus Poinciana

• marked by ostentation but often tasteless

• elaborately or excessively ornamented

• a building designed and equipped to observe astronomical phenomena

• a structure commanding a wide view of its surroundings

• With respect to a given category, a more narrow category.

• A subclass of a category which is itself a category, whose arrows are a restriction of the arrows of the parent category, and whose composition rule is a restriction of the parent category's

• in an observant manner

• Any of several species of birds, the males having a brilliant patch of metallic red on the throat.