Définitions
1.AdverbOn the beam; at a right angle to the centerline or keel of a vessel or aircraft; being at a bearing approximately 90° or 270° relative. .mw-parser-output .defdate{font-size:smaller}
2.AdverbAlongside or abreast; opposite the center of the side of the ship or aircraft.
3.AdjectiveAlongside or abreast; opposite the center of the side of the ship or aircraft."The island was directly abeam of us."
4.PrepositionAlongside."She came abeam the crippled ship."
5.AdjectiveBeaming, shining (especially with reference to a person's face or eyes).