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Meaning of PRINCIPAL

Pronunciation:  'prinsupul

WordNet Dictionary
  1. [n]  the major party to a financial transaction at a stock exchange; buys and sells for his own account
  2. [n]  the educator who has executive authority for a school; "she sent unruly pupils to see the principal"
  3. [n]  an actor who plays a principal role
  4. [n]  capital as contrasted with the income derived from it
  5. [n]  the original amount of a debt on which interest is calculated

PRINCIPAL is a 9 letter word that starts with P.


 Synonyms: corpus, dealer, head, head teacher, lead, principal sum, school principal, star
 See Also: actor, broker-dealer, capital, chancellor, co-star, debt, educator, film star, financier, headmaster, headmistress, histrion, idol, loan, master, matinee idol, moneyman, movie star, pedagogue, player, role player, schoolmaster, television star, thespian, TV star



Webster's 1913 Dictionary
  1. \Prin"ci*pal\, a. [F., from L. principalis. See
    1. Highest in rank, authority, character, importance, or
       degree; most considerable or important; chief; main; as,
       the principal officers of a Government; the principal men
       of a state; the principal productions of a country; the
       principal arguments in a case.
             Wisdom is the principal thing.        --Prov. iv. 7.
    2. Of or pertaining to a prince; princely. [A Latinism]
       [Obs.] --Spenser.
    {Principal axis}. See {Axis of a curve}, under {Axis}.
    {Principal axes of a quadric} (Geom.), three lines in which
       the principal planes of the solid intersect two and two,
       as in an ellipsoid.
    {Principal challenge}. (Law) See under {Challenge}.
    {Principal plane}. See {Plane of projection}
       (a), under {Plane}.
    {Principal of a quadric} (Geom.), three planes each of which
       is at right angles to the other two, and bisects all
       chords of the quadric perpendicular to the plane, as in an
    {Principal point} (Persp.), the projection of the point of
       sight upon the plane of projection.
    {Principal ray} (Persp.), the line drawn through the point of
       sight perpendicular to the perspective plane.
    {Principal section} (Crystallog.), a plane passing through
       the optical axis of a crystal.
  2. \Prin"ci*pal\, n.
    1. A leader, chief, or head; one who takes the lead; one who
       acts independently, or who has controlling authority or
       influence; as, the principal of a faction, a school, a
       firm, etc.; -- distinguished from a subordinate, abettor,
       auxiliary, or assistant.
    2. Hence: (Law)
       (a) The chief actor in a crime, or an abettor who is
           present at it, -- as distinguished from an accessory.
       (b) A chief obligor, promisor, or debtor, -- as
           distinguished from a surety.
       (c) One who employs another to act for him, -- as
           distinguished from an agent. --Wharton. --Bouvier.
    3. A thing of chief or prime importance; something
       fundamental or especially conspicuous. Specifically:
       (a) (Com.) A capital sum of money, placed out at interest,
           due as a debt or used as a fund; -- so called in
           distinction from interest or profit.
       (b) (Arch. & Engin.) The construction which gives shape
           and strength to a roof, -- generally a truss of timber
           or iron, but there are roofs with stone principals.
           Also, loosely, the most important member of a piece of
       (c) (Mus.) In English organs the chief open metallic stop,
           an octave above the open diapason. On the manual it is
           four feet long, on the pedal eight feet. In Germany
           this term corresponds to the English open diapason.
       (d) (O. Eng. Law) A heirloom; a mortuary. --Cowell.
       (e) pl. The first two long feathers of a hawk's wing.
           --Spenser. --J. H. Walsh.
       (f) One of turrets or pinnacles of waxwork and tapers with
           which the posts and center of a funeral hearse were
           formerly crowned. --Oxf. Gloss.
       (g) A principal or essential point or rule; a principle.