English to English Dictionary

Sinusitis

Inflammation of the mucous membranes that line the sinuses.

Sinusoidal

Relating to or resembling a sine wave, especially in terms of periodic oscillation.

Sipe

A narrow groove or channel cut into the tread of a tire or shoe to improve traction on wet surfaces.

Sisal

A strong, coarse fiber obtained from the leaves of the agave plant, used for making rope, twine, and various textiles.

Sister

A female and a male/female who share the same parents or one parent.

Sister-in-law

The sister of one's spouse.

Sit

To rest in a position where the weight is supported by the buttocks.

Sit-on-your-hands

To refrain from taking action or to remain passive in a situation.

Sitcom

A television program that features a fixed set of characters in a humorous situation.

Site

A location or position, especially one where something is situated or occurs.

Sites

A location or place, especially one where something is situated or occurs.

Sitting

The state or act of resting one's body weight on the buttocks, typically with the torso upright.