1thumb 
/ˈθʌm/ noun
plural thumbs /ˈθʌm/ noun [count] 1 : the short, thick finger on the side of your hand
▪ a little girl sucking her thumb ▪ I accidentally cut my thumb. — see picture at hand; see also green thumb 2 : the part of a glove or mitten that covers a thumb
▪ My mitten has a hole in the thumb.
▪ a little girl sucking her thumb ▪ I accidentally cut my thumb. — see picture at hand; see also green thumb
▪ My mitten has a hole in the thumb.
all thumbs (US) or Brit all fingers and thumbs
: extremely awkward or clumsy
▪ I'm all thumbs when it comes to wrapping packages.
▪ I'm all thumbs when it comes to wrapping packages.
rule of thumb — see 1rule
stick out like a sore thumb — see 1sore
twiddle your thumbs — see twiddle
under someone's thumb
: under someone's control or influence
▪ He kept the employees under his thumb.
▪ He kept the employees under his thumb.
