OBSERV'ER, n. s as z.
1. One who observes one that takes notice particularly, one who looks to with care, attention or vigilance.
Careful observers may foretell the hour, by sure prognostic, when to dread a shower.
Creditors are great observers of set days and times.
2. A beholder a looker on a spectator.
3. One who keeps any law, custom, regulation or rite one who adheres to any thing in practice one who performs as a great observer of forms an observer of old customs.
4. One who fulfills or performs as, he is a strict observer of his word or promise.
5. One who keeps religiously as an observer of the sabbath.
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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