4-letter words starting with a
- apay — to satisfy
- apdl — Algorithmic Processor Description Language
- apec — Asia-Pacific Economic Cooperation
- aped — any of a group of anthropoid primates characterized by long arms, a broad chest, and the absence of a tail, comprising the family Pongidae (great ape) which includes the chimpanzee, gorilla, and orangutan, and the family Hylobatidae (lesser ape) which includes the gibbon and siamang.
- aper — a person who apes, a mimic
- apes — Plural form of ape.
- apex — An Apex or an Apex ticket is a ticket for a journey by air or rail which costs less than the standard ticket, but which you have to book a specified period in advance.
- aph- — apo-
- apia — the capital of (Western) Samoa: a port on the N coast of Upolu. Pop: 41 000 (2005 est)
- apic — Advanced Programmable Interrupt Controller
- apid — (zoology) Any member of the Apidae.
- apis — (in ancient Egypt) a sacred bull worshipped at Memphis
- apl2 — (language) An APL extension from IBM with nested arrays.
- apo- — away from; off
- apod — an animal with no feet or whose feet are rudimentary
- appc — Advanced Program-to-Program Communications
- appn — Advanced Peer-to-Peer Networking
- apps — Plural form of app.
- appt — Appt is a written abbreviation for appointment.
- apr. — Apr. is a written abbreviation for April.
- apra — Australian Prudential Regulatory Authority
- apse — a domed or vaulted semicircular or polygonal recess, esp at the east end of a church
- apso — a Tibetan terrier
- apsu — an Akkadian god: the consort of Tiamat and the father of the gods.
- apt. — apartment.
- apud — Used in scholarly works to cite a reference at second hand.
- apus — a constellation in the S hemisphere situated near Musca and Octans
- aqap — al-Qaeda in the Arabian Peninsula
- aqua — Aqua is the same as the colour aquamarine.
- arab — Arabs are people who speak Arabic and who come from the Middle East and parts of North Africa.
- arad — a city in W Romania, on the Mureş River: became part of Romania after World War I, after belonging successively to Turkey, Austria, and Hungary. Pop: 155 000 (2005 est)
- arak — city in WC Iran: pop. 331,000
- aram — the biblical name for ancient Syria
- aran — of or relating to the Aran Islands
- arar — an African tree, Tetraclinis articulata, belonging to the family Cupressaceae, having hard fragrant dark wood, and found in N Africa and Spain
- aras — a river rising in mountains in E Turkey and flowing east to the Caspian Sea: forms part of the E border of Turkey and the N border of Iran. Length: about 1100 km (660 miles)
- arbs — Plural form of arb.
- arca — a chest for valuables, used in medieval Spain and Italy.
- arce — a daughter of Thaumas and the sister of Iris and the Harpies. Zeus took away her wings when she aided the Titans in their war against him.
- arch — An arch is a structure that is curved at the top and is supported on either side by a pillar, post, or wall.
- arcm — Associate of the Royal College of Music
- arco — a musical direction for instruments of the violin family indicating that the bow should be used (as opposed to plucking)
- arcs — Associate of the Royal College of Science
- ards — a district of Northern Ireland, in Co Down. Pop: 74 369 (2003 est). Area: 368 sq km (142 sq miles)
- area — An area is a particular part of a town, a country, a region, or the world.
- areg — Plural form of erg.
- ares — the god of war, born of Zeus and Hera
- aret — to entrust
- arev — Advanced Revelation
- arew — (obsolete) In a row.