The Collaborative International Dictionary
Obreption
Obreption \Ob*rep"tion\, n. [L. obreptio, fr. obrepere, obreptum, to creep up to; ob (see Ob-) + repere to creep.]
The act of creeping upon with secrecy or by surprise. [Obs.]
--Cudworth.(Scots Law) The obtaining gifts of escheat by fraud or surprise.
--Bell.
Wiktionary
obreption
n. 1 (context obsolete English) The act of creeping upon with secrecy or by surprise. 2 (context obsolete Scotland legal English) Act of obtaining gifts of escheat by fraud or surprise.