Tat is defined as knotting or looping thread to make lace.(verb)
An example of tat is when you use a crochet hook and thread to make lace.
The definition of tat is tacky or tasteless clothes or accessories.(noun)
Large pieces of tacky fake jewelry are an example of tat.
See tat in Webster's New World College Dictionary
Origin: < ? tap
See tat in American Heritage Dictionary 4
intr. & tr.v. tat·ted, tat·ting, tats
Origin: Probably back-formation from tatting.
Origin: t(rans)a(c)t(ivator) (gene).
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