(mycology) A fleshy mass of tissue located at the junction of the a mushroom and its substrate.

(chemistry) Alternative spelling of Brønsted base

(baseball) Major League Baseball and its associated minor leagues. This does not include amateur leagues, most professional international leagues, the former Negro Leagues, and independent leagues.

(ornithology) A small feather located at the base of a bird's bill that has little or no vane.

(dated) A container used for urinating or defecating when it is impossible or inconvenient to go to a bathroom or toilet; a bedpan, a chamber pot. Commonly used in hospitals, where it is normally called bedpan. Formerly used in private residences, particularly those without an indoor toilet or bathroom.

(law) The amount of rent assessed before inclusion of additional expenses or other factors that increase the amount of rent to be paid.

A basket that is the right size to hold a bushel.

simple past tense and past participle of BASE jump

plural of BASE jump

Third-person singular simple present indicative form of BASE jump