Ex"tra, a.
Beyond what is due, usual, expected, or necessary; additional; supernumerary; also, extraordinarily good; superior; as, extra work; extra pay. "By working extra hours." H. Spencer.
© Webster 1913
Ex"tra (?), n.; pl. Extras (&?;).
Something in addition to what is due, expected, or customary; something in addition to the regular charge or compensation, or for which an additional charge is made; as, at European hotels lights are extras. [Colloq.]
© Webster 1913
Ex"tra (?), n.
1.
Something in addition to what is due, expected, or customary; esp., an added charge or fee, or something for which an additional charge is made.
2.
An edition of a newspaper issued at a time other than the regular one.
3. (Cricket)
A run, as from a bye, credited to the general score but not made from a hit.
4.
Something of an extra quality or grade.
© Webster 1913