different between preserver vs sentinel

English

Etymology

preserve +? -er

Noun

preserver (plural preservers)

1. One who preserves.
2. A life preserver.
3. A person who refinishes furniture.
4. A person who prepares preserves of fruit or preserved meats.

Derived terms

• life preserver

Related terms

• preservation
• preserve

Anagrams

• perverser

English

Etymology

1570s, from Middle French sentinelle, from Old Italian sentinella (perhaps via a notion of "perceive, watch", compare Italian sentire (“to feel, hear, smell”)), from Latin senti? (“feel, perceive by the senses”). See sense.

Pronunciation

• IPA^(key): /?s?nt?n?l/

Noun

sentinel (plural sentinels)

1. A sentry, watch, or guard.
   • 1719- Daniel Defoe, Robinson Crusoe

     They promised faithfully to bear their confinement with patience, and were very thankful that they had such good usage as to have provisions and light left them; for Friday gave them candles (such as we made ourselves) for their comfort; and they did not know but that he stood sentinel over them at the entrance.

   • 1625, Francis Bacon, Of Empire

     that princes do keep due sentinel

2. (obsolete) A private soldier.
   • 1789, John Moore, Zeluco, Valancourt 2008, p. 33:

     “I will not permit the poorest centinel to be treated with injustice.”

3. (computer science) a unique string of characters recognised by a computer program for processing in a special way; a keyword.

4. A sentinel crab.
5. (attributive, medicine, epidemiology) A sign of a health risk (e.g. a disease, an adverse effect).

Translations

Verb

sentinel (third-person singular simple present sentinels, present participle (US) sentineling or (UK) sentinelling, simple past and past participle (US) sentineled or (UK) sentinelled)

1. (transitive) To watch over as a guard.

   He sentineled the north wall.

2. (transitive) To post as guard.

   He sentineled him on the north wall.

3. (transitive) To post a guard for.

   He sentineled the north wall with just one man.

   • 1873, Harper's New Monthly Magazine (volume 46, page 562)

     The old-fashioned stoop, with its suggestive benches on either side, lay solitary and silent in the moonlight; the garden path, weedily overgrown since father's death, and sentineled here and there with ragged hollyhock, lay quiet and dew-laden […]

Translations

Anagrams

• lenients