Webster's Revised Unabridged Dictionary · 1913

Rap

Rap (rap) , noun

[Etymol. uncertain.]

A lay or skein containing 120 yards of yarn. — Knight

Rap (rapt) , intransitive verb

[Akin to Swedish rappa to strike, rapp stroke, Danish rap, perhaps of imitative origin.]

To strike with a quick, sharp blow; to knock; as, to rap on the door.

Rap , transitive verb

1.
To strike with a quick blow; to knock on.
With one great peal they rap the door. — Prior
2.
(Founding) To free (a pattern) in a mold by light blows on the pattern, so as to facilitate its removal.

Rap , noun

A quick, smart blow; a knock.

Rap (rapt) , transitive verb

[Old English rapen; akin to LG. & Dutch rapen to snatch, German raffen, Swedish rappa; compare Danish rappe sig to make haste, and Icelandic hrapa to fall, to rush, hurry. The word has been confused with Latin rapere to seize. Compare Rape robbery, Rapture, Raff, v., Ramp, v.]

1.
To snatch away; to seize and hurry off.
And through the Greeks and Ilians they rapt The whirring chariot. — Chapman
From Oxford I was rapt by my nephew, Sir Edmund Bacon, to Redgrove. — Sir H. Wotton
2.
To hasten. [Obsolete] — Piers Plowman
3.
To seize and bear away, as the mind or thoughts; to transport out of one's self; to affect with ecstasy or rapture; as, rapt into admiration.
I'm rapt with joy to see my Marcia's tears. — Addison
Rapt into future times, the bard begun. — Pope
4.
To exchange; to truck. [Obsolete & Low]
5.
To engage in a discussion, converse.
6.
to perform a type of rhythmic talking, often with accompanying rhythm instruments. It is considered by some as a type of music; see rap music.
All they could rap and rend and pilfer. — Hudibras
A judge who rapped out a great oath. — Addison

Rap , noun

[Perhaps contr. from raparee.]

A popular name for any of the tokens that passed current for a half-penny in Ireland in the early part of the eighteenth century; any coin of trifling value.
Many counterfeits passed about under the name of raps. — Swift
Tie it [her money] up so tight that you can't touch a rap, save with her consent. — Mrs. Alexander
Collocations (2)
Not to care a rap , to care nothing.
Not worth a rap , worth nothing.

Rap , noun

1.
conversation; also, rapping.
2.
a type of rhythmic talking, often with accompanying rhythm instruments; rap music.