Definitions
1.nounAny of several North American plane trees, of the genus Platanus, especially Platanus occidentalis (American sycamore).
2.nounA large British and European species of maple, Acer pseudoplatanus, known in North America as the sycamore maple.
3.nounA large tree bearing edible fruit, Ficus sycomorus, allied to the common fig and found in Egypt and Syria; also called the sycamore fig or the fig-mulberry; the Biblical sycomore.