This passage should be played rallentando.    From Wordnet, Princeton University. 

He listened patiently, pursed his lips, then played a rallentando on his computer keyboard.    From Wordnik.com.  [2010 Odyssey Two]

But music critics must either attempt to describe the evanescent and ineffable, which can lead to gushy impressionism, or they must transcribe bars of music notation and start talking about subdominants, rallentando and other arcane compositional matters.    From Wordnik.com.  [Thomas Larson's 'The Saddest Music Ever Written,' reviewed by Michael Dirda] Reference

Interest from various numbered trusts was still turned, by family banks down in Boston every second or third generation, back into yet another trust, in long rallentando, in infinite series just perceptibly, term by term, dying ... but never quite to the zero.    From Wordnik.com.  [Gravity's Rainbow]

Not only are singers allowed to walk and gesticulate on the stage without paying any attention to the time, but also no shade of expression, dynamic or motor, of the orchestra -- crescendo, decrescendo, accelerando, rallentando -- finds in their gestures adequate realization.    From Wordnik.com.  [The Eurhythmics of Jaques-Dalcroze] Reference

The melody has an impressive rallentando of dotted semibreves to the refrain, "Peace, be still," after the more rapid notes of the three-line stanzas.    From Wordnik.com.  [The Story of the Hymns and Tunes] Reference

Among other points to be noted is the fact that sudden transition from repose to restless activity calls for an accelerando, while the reverse requires a rallentando.    From Wordnik.com.  [For Every Music Lover A Series of Practical Essays on Music] Reference

After the beautiful harmony through the seven lines, the choral reverently softens under the rallentando of the closing bars, and dwelling on the awe-inspiring syllables, solemnly dies away.    From Wordnik.com.  [The Story of the Hymns and Tunes] Reference

Considered good credit score has been munificently for as linearly as i can perceptivity, and uncarpeted to korea one of the goddamned oenothera in daubentoniidae, unco the imputable has been rallentando bonelike in spirited gadfly.    From Wordnik.com.  [Rational Review] Reference

The last line of the song did not come to an end until she was half-way across the dining-room floor, and so far from being dismayed by her aunt's stare of disapproval, she only laughed, waved her hands, and threw an extra flourish into the rallentando.    From Wordnik.com.  [Flaming June] Reference

A similar “rallentando” is arbitrarily introduced by Thielemann at the beginning of the final “rainbow-bridge” exposition, which gives to his Rheingold's closing a quite disturbing “Nazi” shape.    From Wordnik.com.  [Thielemann's Rheingold] Reference

At the “sword” theme’s first entrance there is simply a change from ¾ to C, and this suffices to get a dilation of the musical phrase; but Thielemann introduces for free an own “rallentando”, which transforms this sublime piece into a parody, simply grotesque!.    From Wordnik.com.  [Thielemann's Rheingold] Reference

"Say it slowly -- andante -- rallentando.".    From Wordnik.com.  [Raffles, Further Adventures of the Amateur Cracksman] Reference

Not to disturb the main characteristic, delicacy, it is, therefore, necessary slightly to hold back the tempo (the moving figuration sufficiently expresses passionate haste), thus the extreme nuance of the main tempo, in the direction of a somewhat grave 4/4 time, should be adopted here, and, to do this without a wrench (i.e., without really disfiguring the general character of the main tempo), a bar is marked poco rallentando, to introduce the change.    From Wordnik.com.  [On Conducting (Üeber Das Dirigiren) : a Treatise on Style in the Execution of Classical Music,] Reference