relation back,n.1. The doctrine that an act done at a later time is, under certain circumstances,

treated as though it occurred at an earlier time. • In federal civil procedure, an amended pleading

may relate back, for purposes of the statute of limitations, to the time when the original pleading

was filed. Fed. R. Civ. P. 15(c). [Cases: Limitation of Actions 127.C.J.S. Limitations of Actions

  • 235.] 2. A judicial application of that doctrine. — Also termed doctrine of relation back. Cf.

NUNC PRO TUNC. — relate back,vb. [Blacks Law 8th]