Real Dictionary

lash
Your lashes are the hairs that grow on the edge of your upper and lower eyelids.
countable noun: A lash is a blow with a whip, especially a blow on someone's back as a punishment.
countable noun: A lash is a thin strip of leather at the end of a whip.
ergative verb: If an animal lashes its tail, or if its tail lashes, it moves its tail very fast and violently.
verb: If someone lashes another person, they hit that person with a whip.
verb: If someone lashes you or lashes into you, they speak very angrily to you, criticizing you or saying you have done something wrong.
verb: If wind, rain, or water lashes someone or something, it hits them violently.
verb: If you lash two or more things together, you tie one of them firmly to the other.

LASH in American English
noun: an ocean-going vessel equipped with special cranes and holds for lifting and stowing cargo-carrying barges that can be sailed up inland waterways or into port facilities from offshore

lash in American English 1
a whip, esp. the flexible striking part as distinguished from the handle
to strike or drive with or as with a lash; flog
intransitive verb: to strike vigorously at someone or something, as with a weapon or whip
noun: the flexible part of a whip; the section of cord or the like forming the extremity of a whip
transitive verb: to strike or beat, as with a whip or something similarly slender and flexible

lash in American English 2
to fasten or tie with a rope, etc.
transitive verb: to bind or fasten with a rope, cord, or the like

lash in British English 1
noun: a sharp cutting blow from a whip or other flexible object

lash in British English 2
verb: to bind or secure with rope, string, etc