upa-māna n. comparison, resemblance, analogy, [MBh.]; [Suśr.]; [Kathās.] &c.
simile
the object with which anything is compared, [Pāṇ.]; [Sāh.]; [Kum.] &c.
a particle of comparison, [Nir.]
(in log.) recognition of likeness, comparison (the third of the four Pramāṇas or means of correct knowledge)
upa-māna mfn. (ifc.) similar, like, [Kathās.]