Source : Webster's Revised Unabridged Dictionary (1913)

Convalescent \Con`va*les"cent\, a. [L. convalescens, -entis, p.
   pr.: cf. F. convalescent.]
   1. Recovering from sickness or debility; partially restored
      to health or strength.

   2. Of or pertaining to convalescence.

Convalescent \Con`va*les"cent\, n.
   One recovering from sickness.

Source : WordNet®

convalescent
     adj 1: of or for or relating to convalescence or convalescents;
            "convalescent home"
     2: returning to health after illness or debility; "convalescent
        children are difficult to keep in bed" [syn: {recovering}]
     n : a person who is recovering from illness