[ 1 syll. clac(k), cl-a-ck ] The baby boy name Clack is pronounced as KLAEK †. Clack is an English name of Old English origin. Clack is of the meaning large man; chatterer. Clac (Middle English), Clacc (Old English), and Klakkr (Old Norse) are old forms of the name. The first name is from the surname, which is itself ultimately from a word meaning 'lumpy' in reference to to a large man, or else it could be from the element 'clacker'.
See also the related form, Claxton (English).
Clack is seldom used as a baby name for boys. It is not listed within the top 1000 names.
† Pronunciation for Clack: K as in "key (K.IY)" ; L as in "lay (L.EY)" ; AE as in "at (AE.T)"