1 definition by muppetjedi
Gaelic derivation of Thomas, meaning twin. Also spelled Tamsin or Tamsyn, both more common in the UK. Typically used for a woman's name in both the US and UK.
"What's your name?"
"Tamsen."
"Wow, what kind of name is that? It's so unique/odd/interesting/weird."
"It's Gaelic."
"Tamsen."
"Wow, what kind of name is that? It's so unique/odd/interesting/weird."
"It's Gaelic."
by muppetjedi February 6, 2010