Noun reversion has 6 senses
  1. reversion - (law) an interest in an estate that reverts to the grantor (or his heirs) at the end of some period (e.g., the death of the grantee)
    --1 is a kind of
    interest, stake
    --1 has particulars: escheat
  2. reversion - a return to a normal phenotype (usually resulting from a second mutation)
    --2 is a kind of
    mutation, genetic mutation, chromosomal mutation
  3. atavism, reversion, throwback - a reappearance of an earlier characteristic
    --3 is a kind of recurrence, return
  4. reversion, reverse, reversal, turnabout, turnaround - turning in the opposite direction
    --4 is a kind of change of direction, reorientation
    --4 has particulars: about-face, about turn; u-turn
  5. regression, regress, reversion, retrogression, retroversion - returning to a former state
    --5 is a kind of reversal
    Derived form: verb revert1
  6. backsliding, lapse, lapsing, relapse, relapsing, reversion, reverting - a failure to maintain a higher state
    --6 is a kind of failure
    --6 has particulars: recidivism