trestle
Concise Oxford English Dictionary © 2008 Oxford University Press:
trestle/ˈtresl/
▶noun
- 1 a framework consisting of a horizontal beam supported by two pairs of sloping legs, used in pairs to support a flat surface such as a table top.
- 2 (also trestlework) an open braced framework used to support an elevated structure such as a bridge.
- 3 (also trestletree) each of a pair of horizontal pieces on a sailing ship's lower mast supporting the topmast.
– origin ME: from OFr. trestel, based on L. transtrum ‘beam’.
'trestle' also found in these Oxford entries:

