Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Keystone \Key"stone`\, n. (Arch.)
The central or topmost stone of an arch. This in some styles
is made different in size from the other voussoirs, or
projects, or is decorated with carving. See Illust. of
{Arch}.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
keystone
n 1: a central cohesive source of support and stability; "faith
is his anchor"; "the keystone of campaign reform was the
ban on soft money"; "he is the linchpin of this firm" [syn:
{anchor}, {mainstay}, {keystone}, {backbone}, {linchpin},
{lynchpin}]
2: the central building block at the top of an arch or vault
[syn: {keystone}, {key}, {headstone}]
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย