Noun
centreline (plural centrelines)
(British spelling) Alternative form of centerline
Laming 2002, pp. 23, 24. The initial design submission had four large turbojets stacked in pairs buried in the wing either side of the centreline. Source: Internet
Guard shots include the centre-guard, on the centreline and the corner-guards to the left or right sides of the centre line. Source: Internet
The aircraft "holds" the engine on the outer casing of the engine at some distance from the engine centreline (at the engine mounts). Source: Internet
These yards can rotate around the mast, allowing the sails to be oriented horizontally, usually up to 45 degrees from perpendicular to the centreline. Source: Internet
The wingtip fins gave way to a single fin on the aircraft's centreline. Source: Internet
They are the main support for the sails, and all but the most speculative sailboats have at least one, generally set along the centreline. Source: Internet