(obsolete) A fellow-servant.

A female given name from Hebrew, of occasional usage.

The official name of Serbia.

A television program which consists of several episodes that are broadcast at regular intervals. / A group of episodes of such a program.

(calculus) A power series representation of given infinitely differentiable function f whose terms are calculated from the function's arbitrary order derivatives at given reference point a; the series f(a)+(f'(a))/(1!)(x-a)+(f(a))/(2!)(x-a)²+(f'(a))/(3!)(x-a)³+⋯=∑ₙ₌₀∞(f⁽ⁿ⁾(a))/(n!)(x-a)ⁿ.

a Fourier series consisting solely of sine functions

a Fourier series consisting solely of cosine functions

(obsolete) The time when there is no sap in the trees; the winter season.

(informal, medicine) A psychoactive medication, especially one administered by injection, which supposedly renders a person cooperative and disposed to respond honestly to questions.

A close servant; a personal attendant.