The Clue
Auntie, to Mom (3 letter answer)
The Answer
SIS
Tags
Notes
The answer SIS is seen frequently, appearing about once every 70 puzzles.
Related Clues
A sib
Amy, to Chip
Bro's counterpart
Bro's sibling
Certain twin
Cheer start
Cheer starter
Fam. member
Familial title
Family girl
One in the family, informally
Family mem.
Family member
Family nickname
Female sib
Household name
Li'l girl
Lisa, to Bart
Mom's girl
Pop sharer
Reunion moniker
Sib of a sort
Sibling, in brief
Sibling, for short
Skipper, to Barbie
Sonny's sib
Sonny's sibling
Spanish replies
Start of a cheer
Family girl, for short
Granny, to a great-aunt
Lisa, to Bart Simpson
Lisa Simpson, to Bart
Little girl's nickname
She rhymes with miss
Sometime member of the wedding
Definition
SIS as a noun:
1. (sister, sis) = a female person who has the same parents as another person; "my sister married a musician"
SI as a noun:
1. (Systeme International d'Unites, Systeme International, SI system, SI, International System of Units, International System) = a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela); "Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"
2. (silicon, Si, atomic number 14) = a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
3. (ti, te, si) = the syllable naming the seventh (subtonic) note of any musical scale in solmization