noun plural Date: 1626 two horizontal crosspieces of timber or metal supported by trestletrees at a masthead that spread the upper shrouds in order to support the mast
CROSSTREES
Meaning of CROSSTREES in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012