Webster's Revised Unabridged Dictionary · 1913

Lapse

Lapse (laps) , noun

[Latin lapsus, from labi, p. p. lapsus, to slide, to fall: compare French laps. See Sleep.]

1.
A gliding, slipping, or gradual falling; an unobserved or imperceptible progress or passing away,; -- restricted usually to immaterial things, or to figurative uses.
The lapse to indolence is soft and imperceptible. — Rambler
Bacon was content to wait the lapse of long centuries for his expected revenue of fame. — I. Taylor
2.
A slip; an error; a fault; a failing in duty; a slight deviation from truth or rectitude.
To guard against those lapses and failings to which our infirmities daily expose us. — Rogers
3.
(Law) The termination of a right or privilege through neglect to exercise it within the limited time, or through failure of some contingency; hence, the devolution of a right or privilege.
4.
(Theology) A fall or apostasy.

Lapse (#) , intransitive verb

1.
To pass slowly and smoothly downward, backward, or away; to slip downward, backward, or away; to glide; -- mostly restricted to figurative uses.
A tendency to lapse into the barbarity of those northern nations from whom we are descended. — Swift
Homer, in his characters of Vulcan and Thersites, has lapsed into the burlesque character. — Addison
2.
To slide or slip in moral conduct; to fail in duty; to fall from virtue; to deviate from rectitude; to commit a fault by inadvertence or mistake.
To lapse in fullness Is sorer than to lie for need. — Shakespeare
3.
(a) (Law) To fall or pass from one proprietor to another, or from the original destination, by the omission, negligence, or failure of some one, as a patron, a legatee, etc.
(b)
(Law) To become ineffectual or void; to fall.
If the archbishop shall not fill it up within six months ensuing, it lapses to the king. — Ayliffe

Lapse , transitive verb

1.
To let slip; to permit to devolve on another; to allow to pass.
An appeal may be deserted by the appellant's lapsing the term of law. — Ayliffe
2.
To surprise in a fault or error; hence, to surprise or catch, as an offender. [Obsolete]
For which, if be lapsed in this place, I shall pay dear. — Shakespeare