lash

• flexible part of a whip; whip; blow from a whip, stroke of a whip; something which stings or urges forward in the manner of a whip; eyelash
strike, hit; flog, whip; hit against with force; move rapidly back and forth, thrash; move suddenly and quickly; attack verbally, harshly criticize; tie or fasten with a rope or cord; waste money (british slang)
your lashes are the hairs that grow on the edge of your eyelids.
a lash is the thin strip of leather at the end of a whip.
a lash is also a blow with a whip on someone's back as a punishment.
if one person lashes another, they hit them with a whip.
if the wind or rain lashes something, it hits it violently; a literary use.
if you lash one thing to another, you tie them firmly together.
see also lashing.
if you lash out, you suddenly try to hit someone with your hands or feet or with a weapon.
you can also say that someone lashes out when they criticize or scold people angrily.