Maltese cross

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A cross having four equal arms resembling arrowheads joined at the points.

from The Century Dictionary.

• A plant, Lychnis Chalcedonica. Also called cross-of-Jerusalem.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) A Eurasian garden perennial (Lychins chalcedonica) having scarlet flowers in dense terminal heads.
• noun A cross with triangular or arrow-shaped arms and the points toward the center. See illustration under cross.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun Eurasian garden perennial having scarlet flowers in dense terminal heads
• noun a cross with triangular or arrow-shaped arms and the points toward the center