Noun

1. The thong or braided cord of a whip, with which the blow is given.

   I observed that your whip wanted a lash to it. — Joseph Addison.

2. A leash in which an animal is caught or held; hence, a snare.
3. A stroke with a whip, or anything pliant and tough.

   The culprit received thirty-nine lashes.

4. A stroke of satire or sarcasm; an expression or retort that cuts or gives pain; a cut.

   The moral is a lash at the vanity of arrogating that to ourselves which succeeds well. — Roger L'Estrange

5. A hair growing from the edge of the eyelid; an eyelash.
6. In carpet weaving, a group of strings for lifting simultaneously certain yarns, to form the figure.

Verb

1. To strike with a lash; to whip or scourge with a lash, or with something like one.

   We lash the pupil, and defraud the ward. — John Dryden

2. To strike forcibly and quickly, as with a lash; to beat, or beat upon, with a motion like that of a lash.

   the whale lashes the sea with its tail.

   And big waves lash the frighted shores. — John Dryden

3. To throw out with a jerk or quickly.

   He falls, and lashing up his heels, his rider throws. — John Dryden

4. To scold; to berate; to satirize; to censure with severity.

   to lash vice

5. To bind with a rope, cord, thong, or chain, so as to fasten.

   to lash something to a spar

   lash a pack on a horse's back

6. To ply the whip; to strike.
7. To utter censure or sarcastic language.

   To laugh at follies, or to lash at vice. — John Dryden

Adjective

1. Remiss, lax.
2. Relaxed.
3. Soft, watery, wet.
   • 1658: Fruits being unwholesome and lash before the fourth or fifth Yeare. — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 211)
4. excellent, wonderful

   We’re off school tomorrow, it’s gonna be lash!

   That chinese (food) was lash!

5. Drunk.