overflow

v. spill over, be filled to the point of flowing over; fill to the point of running over

n. spillage; abundance, plenitude; surplus, extra; malfunction in which a program tries to store data when there is no free space in the memory (Computers)

Literally, overflow occurs when the volume of a substance exceeds the capacity of its intended container. A river in flood, for instance, may "overflow its banks". It is also used in a metaphorical sense, as "overflowing with enthusiasm." Other more specific uses of the term include:In telecommunication and telephony, overflow may refer to (see Federal Standard 1037C and MIL-STD-188)
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Noun
1. a large flow
(synonym) flood, outpouring
(hypernym) flow, stream
(hyponym) effusion
(derivation) overrun, well over, run over, brim over
2. the occurrence of surplus liquid (as water) exceeding the limit or capacity
(synonym) runoff, overspill
(hypernym) flow, flowing
(derivation) overrun, well over, run over, brim over
Verb
1. flow or run over (a limit or brim)
(synonym) overrun, well over, run over, brim over
(hypernym) spill, run out
(hyponym) geyser
(entail) run, flow, feed, course
(derivation) runoff, overspill
2. overflow with a certain feeling; "The children bubbled over with joy"; "My boss was bubbling over with anger"
(synonym) bubble over, spill over
(hypernym) seethe, boil

(v. t.)
To flow over; to cover woth, or as with, water or other fluid; to spread over; to inundate; to overwhelm.
  

(v. t.)
To flow over the brim of; to fill more than full.
  

(v. i.)
To run over the bounds.
  

(v. i.)
To be superabundant; to abound.
  

(n.)
That which flows over; a superfluous portion; a superabundance.
  

(n.)
An outlet for the escape of surplus liquid.
  

(n.)
A flowing over, as of water or other fluid; an inundation.
  

1. In telephony, the generation of potential traffic that exceeds the capacity of a communications system or subsystem. (188 ) 2. In telephony, a count of telephone call attempts made on groups of busy trunks or access lines. 3. In telephony, traffic handled by overflow equipment. 4. In telephony, traffic that exceeds the capacity of the switching equipment and is therefore lost. (188 ) 5. In telephony, on a particular route, excess traffic that is offered to another route, i.e. , an alternate route. (188 ) 6. In digital computing, synonym for arithmetic overflow. 7. In digital communications, the condition that exists when the incoming data rate exceeds that which can be accommodated by a buffer, resulting in the loss of information.