I. noun Etymology: Middle Dutch praem & Middle Low German prām Date: 1548 a small lightweight nearly flat-bottomed boat with a broad transom and usually squared-off bow, II. noun Etymology: by shortening & alteration from perambulator Date: 1884 baby carriage
PRAM
Meaning of PRAM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012