| Word | Definitions | Synonyms |
|---|---|---|
| siamang | (noun) large black gibbon of Sumatra having the 2nd and 3rd toes partially united by a web | Synonyms: Hylobates syndactylus, Symphalangus syndactylus |
| siamese | (noun) an inlet with two or more couplings to which a hose can be attached so that fire engines can pump water into the sprinkler system of a building | Synonyms: siamese connection |