1. A grammatical term that forms and indicates more than one of anything that is specified: "The plural form of child is children, and of man, it is men, and woman is the plural indication of women, etc."

"Such verbs as are or were indicate plural forms as of is or was."

"The singular forms of I am become such plural forms as, We are; or He, She, It is become plural forms of They are."

2. A reference to more than one thing or person: "There are plural meanings for many word entries in dictionaries."

"More and more plural societies are developing in nations as a result of emigrants who are moving around on a global scale."

A spelling or form of a word which is used to indicate more than one thing or one person: "Most English plurals usually end with an 's'; for example, chickens is the plural of chicken."

"The plurals of words are developed from their singular forms."

1. The art of photographing astronomical objects and events for astronomical studies>
2. The photography of stars and other celestial objects.
3. The use of photographs to record extraterrestrial objects in order to study their surface features, positions, motions, radiation, and spectra.

1. The production and operation of airplanes and other machines that fly: The three women, whose life stories were told in the film about early aviation, lived in a city near where Jane grew up.
2. Etymology: from Latin avis, "bird" + -ationem, "an action, a process."

Congenital absence of eyelids, with the skin passing continuously from the forehead onto the cheek over a rudimentary or non-functional eye: The cryptophthalmos is classified into three types: complete, incomplete and abortive.

Cryptophthalmos usually occurs on both sides and occurs in association with several other malformations collectively referred to as Fraser syndrome.

1. A statement that does not follow logically from what preceded it: "Someone once said that Napoleon Bonaparte was a short man. A student who was making a report in history class included a non sequitur that stated that because Napoleon was so short and ego centric, he never allowed any of his officers to be any taller than he was."
2. A statement containing an illogical conclusion.
3. In logic, a conclusion that does not follow from the premises.

A non sequitur is a literary device; in comedy, it is a comment which, due to its lack of meaning relative to the comment it follows, is absurd to the point of being humorous. Its use can be deliberate or unintentional. Literally, it is Latin for "it does not follow".

In other literature, a non sequitur can denote an abrupt, illogical, unexpected, or absurd turn of plot or dialogue not normally associated with or appropriate to that which preceded it.

A solid figure bounded by plane polygons or faces.