sis

1. n. A colloquial abbreviation of Sister. Source: opted

2. n. Six. See Sise. Source: opted

3. n. a female person who has the same parents as another person Source: wordnet

4. A colloquial abbreviation of Sister. Six. See Sise. [Obs.] Chaucer. Source: webster

5. n:100 n a female person who has the same parents as another person n 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 n 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) n the syllable naming the seventh (subtonic) note of any musical scale in solmization Source: ecdict

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