The Meaning of sentinel

• (n.) One who watches or guards; specifically (Mil.), a soldier set to guard an army, camp, or other place, from surprise, to observe the approach of danger, and give notice of it; a sentry.
• (n.) Watch; guard.
• (n.) A marine crab (Podophthalmus vigil) native of the Indian Ocean, remarkable for the great length of its eyestalks; -- called also sentinel crab.
• (v. t.) To watch over like a sentinel.
• (v. t.) To furnish with a sentinel; to place under the guard of a sentinel or sentinels.

Synonyms

lookout , lookout man , sentry , watch , spotter , scout , picket

Rhymes

vocational , seasonal , dorsispinal , educational , criminal , recessional , confrontational congregational , binational , compositional , multinational , co-ordinal , thiophenol , conventional , illustrational , paginal , affinal , transnational , traditional , terminal , anginal , generational gravitational , pentachlorophenol , aberrational , fictional , abdominal , serotinal , eugenol , institutional , quasi-vocational , ureterointestinal , disproportional , isoclinal , anaclinal , directional , involutional , provisional , nominal , passional , rotational , hexagonal , attitudinal , decagonal , preterminal , archidiaconal , coeducational , inspirational , jurisdictional , inflectional , agnominal , butanol , original , periclinal , foundational , unexceptional , multinominal , pleonal , informational , hendecagonal , sectional , invitational , equational , trunnel , intentional , divisional , occasional , constitutional , nutritional , isochronal , ordinal , benedictional , regional , bidirectional , professional , national , confessional , quasi-traditional , transitional , nontraditional , optional , villanelle , juvenile , unidirectional , frictional , sulfonyl , collisional , bunnell , conditional , orthogonal , chloranil , testudinal , improvisational , four-dimensional , congregational , heptagonal , chordotonal , acetylmethylcarbinol , unsensational , medicinal , congressional , hexylresorcinol , binominal , tridimensional , polygonal , dunnell , unoriginal , juvenal , cognominal , prevocational , geosynclinal , instructional , bifunctional , gunnel , orcinol , tetragonal , cantonal , unconventional , omnidirectional , cataclinal , nitrophenol , intergenerational , metanitrophenol , ethynyl , untraditional , praenominal , exceptional , turbinal , subterminal , chunnel , ammonal , gunnell , isopropanol , devotional , ethchlorvynol , investigational organizational , urinal , intraabdominal , biphenyl , discretional , disciplinal , correctional , trunnell , gravitational , ideational , patronal , dimensional , carbinol , subordinal , brunell , l-arterenol , unprofessional , latitudinal , imaginal , motivational navigational , dodecylphenol , synclinal , isogonal , liminal , sulfonal , chlorospinel , emotional , funnell , operational , levarterenol , lionel , obsessional , diethylaminoethanol , methenyl , rational , sentinel , projectional , isocheimenal , runnel , sulfinyl , recreational , ravonelle , visional , concessional , longitudinal , luminal , salicional , superregional , intranational , unnational , processional professional , unconstitutional , meridional , nonprofessional , vaticinal , pronominal , organelle , gymnorhinal , presentational , phenylcarbinol , unemotional , funnel , notional , octagonal , nacional , diagonal , dysfunctional , dimethylcarbinol , internatonal , subdiaconal , prenominal , tripersonal , adnominal , umbonal , relational , gastrointestinal , retinal , diaconal , finite-dimensional , precessional , petronel , criterional , geanticlinal , indophenol , additional , submarginal , tunnel , processional , germinal , munnell , truth-functional , cerebrospinal , supranational , proportional , aubanel , suprarational , sensational , cacuminal , altitudinal , tunnell , conformational , unintentional , tegminal , extraprofessional , interpersonal , viminal , hunnell kuhnle , factional , computational , impersonal , equanil , marginal , fluxional , dodecagonal , connotational , multidimensional , chevronel , septentrional , aboriginal , libidinal , chlorphenol , situational transformational , irrotational , arsenal , cyclonal , unipersonal , phenomenal , matronal , irrational , doctrinal , diphenyl , depositional , staminal , mangonel , affectional , fractional , functional , promotional , vicinal , occupational , chlorophenol , centroclinal , monoclinal , inframarginal , carbanil , pantonal , denominational , virginal , fontanelle , supraliminal , trigeminal , metachronal , multidirectional , declensional , seminal , progestational , paraprofessional , matutinal , representational , flavonol , unconditional , intuitional , conversational , phloroglucinol , quirinal