cross / crosse are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
cross: (noun) a wooden structure consisting of an upright post with a transverse piece. (noun) a representation of the structure on which Jesus was crucified; used as an emblem of Christianity or in heraldry. (noun) any affliction that causes great suffering. (verb) fold so as to resemble a cross. (verb) to cover or extend over an area or time period; ,. (verb) meet and pass. (verb) trace a line through or across. (adjective) extending or lying across; in a crosswise direction; at right angles to the long axis.
crosse: (noun) a long racket with a triangular frame; used in playing lacrosse.
cross: k·r·AO·s
crosse: k·r·AA·s
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)