adverb On 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}
adverb Alongside or abreast; opposite the center of the side of the ship or aircraft.
adjective Alongside or abreast; opposite the center of the side of the ship or aircraft.
The island was directly abeam of us.
preposition Alongside.
She came abeam the crippled ship.
adjective Beaming, shining (especially with reference to a person's face or eyes).