Passer cinnamomeus, a passerine bird of the sparrow family.

Passerculus sandwichensis, a small American sparrow.

A well-marked subspecies of the Savannah sparrow.

(computer science) A data structure that can answer range maximum or range minimum queries on an immutable list of values in constant time, and other range queries in logarithmic time.

Ammospiza nelsoni, a small American sparrow.

plural of spark arrester

Alternative form of spark arrestor

(programming) An array in which most of the values are zero.

plural of sparse array

A surname.