terminator

n. one who finishes; border between light and shadow

Terminator is from Latin and means "finisher." It can refer to: In science and technology:Terminator (solar), the line between the day side and the night side of a planetary body in astronomy (also known as the "grey line")Electrical termination, a resistor placed at the end of a transmission line or daisy chain bus to prevent signal reflection.Terminator (genetics), the end of a gene of DNA for transcription in geneticsTerminator Technology, proposed methods for ensuring genetically modified plants cannot spread out of control, such as by rendering the second generation infertile
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Noun
1. someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)
(synonym) exterminator, eradicator
(hypernym) killer, slayer

(n.)
The dividing line between the illuminated and the unilluminated part of the moon.
  

(n.)
One who, or that which, terminates.
  

<electronics> A resistor connected to a signal wire in a bus or network for the purpose of impedance matching to prevent reflections.
For example, a 50 ohm resistor connected across the end of an Ethernet cable. SCSI chains and some LocalTalk wiring schemes also require terminators.
(1995-05-17)