- Adverb. (nautical) On the beam; at a right angle to the centerline or keel of a vessel ''FM 55-501 Marine Crewman’s Handbook''; being at a bearing approximately 090 Degrees or 270 Degrees relative ''JP 1-02 Department of Defense Dictionary of Military and Associated Terms''.
- Adverb. (nautical) Alongside or abreast.
- Adjective. (nautical) Alongside or abreast.
- Preposition. (nautical) next to.