sentinel

Etymology
1570s, from, from (perhaps via a notion of "perceive, watch", compare 🇨🇬), from. See sense, sentient.

Noun

 * 1) A sentry, watch, or guard.
 * 2)  A private soldier.
 * 3)  A unique value recognised by a computer program for processing in a special way, or marking the end of a set of data.
 * 4) A sentinel crab.
 * 5)  A sign of a health risk (e.g. a disease, an adverse effect).
 * 6)   Someone who is hardworking and dutiful.
 * 1)  A unique value recognised by a computer program for processing in a special way, or marking the end of a set of data.
 * 2) A sentinel crab.
 * 3)  A sign of a health risk (e.g. a disease, an adverse effect).
 * 4)   Someone who is hardworking and dutiful.
 * 1)  A sign of a health risk (e.g. a disease, an adverse effect).
 * 2)   Someone who is hardworking and dutiful.
 * 1)   Someone who is hardworking and dutiful.

Translations

 * Arabic:
 * Egyptian Arabic: غفير
 * Bulgarian:
 * Catalan:
 * Chinese:
 * Mandarin: ,
 * Czech:
 * Danish: skildvagt, vagtpost
 * Dutch:
 * Finnish: ,
 * French: ,
 * Galician:
 * German:, , ,
 * Greek: ,
 * Hungarian:
 * Irish: fairtheoir
 * Italian:
 * Japanese: ,
 * Latin:, custos, excubitor,
 * Navajo: haʼasídí
 * Portuguese: ,
 * Russian:, , ,
 * Scottish Gaelic: freiceadan
 * Serbo-Croatian:
 * Cyrillic: стра̀жа̄р
 * Roman:
 * Spanish: ,
 * Swedish: vaktpost, skyltvakt
 * Turkish:, ,
 * Ukrainian:
 * Welsh:, gwyliwr


 * Finnish:
 * German: ,
 * Irish: fairtheoir
 * Japanese:
 * Turkish: ,

Verb

 * 1)  To watch over as a guard.
 * He sentineled the north wall.
 * 1)  To post a guard for.
 * He sentineled the north wall with just one man.

Translations

 * Bulgarian:
 * Danish: stå vagt
 * Finnish: ,
 * French:
 * German:
 * Portuguese:
 * Ukrainian: охороняти