American Heritage Dictionary
(13)
Century Dictionary
(20)
GNU Webster's 1913
(4)
WordNet
(7)
Elsewhere on the web
Watching not just the trials and triumphs of a country but a marriage over such a span was an emotional experience.— Ecstatic Days
Both before and after the 5-weeks of training, children in all groups completed different pre - and post-tests measuring all of these abilities (the day / night stroop, go / nogo, word span, the span board task from WAIS-R-NI) as well as attention (via block design, ommission errors in an auditory CPT, and ommissions and RT in go / nogo).— ScienceBlogs Channel : Life Science
Watching people call in on c-span, they are giving the same kind of reactions.— Top Stories - Google News
This work is all a part of the new eastern span, which is expected to open in 2013.— SFist

American Heritage Dictionary (2)
Century Dictionary (3)
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