Search Result for "plus sign":
Wordnet 3.0

NOUN (1)

1. a sign indicating the operation of addition;

The Collaborative International Dictionary of English v.0.48:

Plus \Plus\, a. [L., more; akin to Gr. ?, ?, and E. full. See Full, a., and cf. Pi[`u], Pleonasm.] [1913 Webster] 1. (Math.) More, required to be added; positive, as distinguished from negative; -- opposed to minus. [1913 Webster] 2. Hence, in a literary sense, additional; real; actual. [1913 Webster] Success goes invariably with a certain plus or positive power. --Emerson. [1913 Webster] Plus sign (Math.), the sign (+) which denotes addition, or a positive quantity. [1913 Webster]
WordNet (r) 3.0 (2006):

plus sign n 1: a sign indicating the operation of addition