n. (in full summer-tree) a horizontal bearing beam, esp. one supporting joists or rafters. [ME f. AF sumer, somer packhorse, beam, OF somier f. LL sagmarius f. sagma f. Gk sagma pack-saddle]
SUMMER
Meaning of SUMMER in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012