Nouns

(n)eyelash, lash, ciliumany of the short curved hairs that grow from the edges of the eyelids
(n)lash, thongleather strip that forms the flexible part of a whip
(n)whip, lash, whiplasha quick blow delivered with a whip or whiplike object“the whip raised a red welt”

Verbs

(v)flog, welt, whip, lather, lash, slash, strap, trouncebeat severely with a whip or rod“The teacher often flogged the students”, “The children were severely trounced”
(v)lashlash or flick about sharply“The lion lashed its tail”
(v)whip, lashstrike as if by whipping“The curtain whipped her face”
(v)lashbind with a rope, chain, or cord“lash the horse”