principal /prinˈsi-pl/

1. Highest in rank or importance
2. Chief, main
3. Constituting a capital sum or principal (finance)

1. The head of a college or university, or sometimes of a school
2. Someone who takes a leading part
3. A leading actor or performer in a play, show, etc
4. The person who commits a crime, or someone who aids and abets him or her in doing it (law)
5. A person for whom another becomes surety (law)
6. A person who, being sui juris, employs someone else to do an act which he or she is competent himself to do (law)
7. Someone who fights a duel
8. The sum of money on which interest is paid
9. A main beam, rafter, girder or timber
10. A roof-truss
11. The structural framework of a roof
12. An organ stop similar to a diapason but usu sounding an octave higher than the basic pitch (music)
13. A collective name for all the pipes of different pitches that produce the basic sound of an organ (music)

principality /-palˈi-ti/ noun

1. The status, rank or power of a prince
2. The condition of being a prince
3. The territory of a prince or one that he derives his title from
4. (in pl) one of the nine orders of angels in the Celestial hierarchy (medieval theol)

prinˈcipally adverb

prinˈcipalness noun

prinˈcipalship noun

principal axis noun

A line through the centre of curvature of a lens

principal boy noun (theatre)

The role of the young male hero in pantomime, usu played by a woman

principal clause noun (grammar)

A clause which could function as an independent sentence, a main clause

principal parts plural noun (grammar)

Those forms of a verb from which all other forms may be deduced, eg, in English, the infinitive, the past tense and the past participle

• rhodium-wood
• rhodo-
• rhodochrosite
• rhodochrosites
• rhododaphne
• rhododaphnes
• rhododendra
• rhododendron
• rhododendrons
• rhodolite
• rhodolites
• rhodomontade
• rhodonite
• rhodonites
• rhodophane
• rhodophanes
• Rhodophyceae
• rhodopsin
• rhodopsins
• rhodora
• rhodoras
• rhodous
• rhody
• Rhodymenia
• Rhoeadales