cross one's heart
English
editEtymology
editFrom cross (“to make the sign of the cross”).
Verb
editcross one's heart (third-person singular simple present crosses one's heart, present participle crossing one's heart, simple past and past participle crossed one's heart)
- (intransitive) To attest to the truthfulness of the accompanying statement.
- Used other than figuratively or idiomatically: see cross, one's, heart.