a. [ L. roborans, p. pr. See Roborate. ] Strengthening. --
v. t. [ L. roboratus, p. pr. of roborare to strengthen, fr. robur, roboris, strength. ] To give strength or support to; to confirm. [ Obs. ] Fuller. [ 1913 Webster ]
n. [ LL. roboratio. ] The act of strengthening. [ Obs. ] Coles. [ 1913 Webster ]