(sports, especially tennis) An error caused by an opponent's good play

(statistics) The half-range of an interval about a central point for the distribution, such that half of the values from the distribution will lie within the interval and half outside.

(baseball) The period after about 1919, following the dead-ball era.

(baseball) The period between around 1900 and 1919, characterized by low scoring games with few home runs.

A tool made from pliable material resembling putty or chewing gum used to absorb graphite or charcoal.

Alternative form of semierotic

To invent a pretext for going somewhere.

(astronomy) A notional box bounding some region of space in which a celestial object is known to exist; its size depends on how accurately the true location is known.

plural of error box

An erroneous conclusion that someone is lying based on signs of stress.