Greenhouse
Part of speech: noun
Definition: A building traditionally made of glass, but now also made from plastics such as polyethylene, in which plants are grown more rapidly than outside such a building by the action of heat from the sun, this heat being trapped inside by the glass or plastic.
Example sentence: There are several types of greenhouse gasses, but carbon dioxide is the most important.
Nursery
Part of speech: noun
Definition: The act of nursingA place where nursing is carried on; as:# A place, or apartment, in a house, used for the care of children.# A place where young trees, shrubs, vines, etc., are cultivated for transplanting; a plantation of young trees.# The place where anything is fostered and growth promoted.#: "Fair Padua, nursery of arts." —Shakespeare#: #: Christian families are the nurseries of the#: church on earth, as she is the nursery of the#: church in heaven. —J. M. Mason# That which forms and educates; as, commerce is the nursery of seamen.#:That which is nursed.
Example sentence: Nearly all children have a feeling for rhythm in words, for the delicate pattern of nursery rhymes. Many adults have lost this feeling and, if they read verse at all, demand a far cruder music than that which they once appreciated.