Russian
радиальный двигатель Portuguese
motor radial Spanish
motor con cilindros en estrella Catalan
motor radial 
Reciprocating engine with cylinders arranged radially from a single crankshaft.
Portuguese
motor radial An internal-combustion engine having cylinders arranged radially around a central crankcase.
1
The connecting rods of this engine were of virtually the same type as is employed on nearly all modern radial engines.
2
'Dragon Fly 1A 'is a nine-cylinder radial engine having one overhead inlet and two overhead exhaust valves per cylinder.
3
Certain American radial engines were made previous to 1914, the principal being the Albatross six-cylinder engines of 50 and 100 horse-powers.