Having capability able to contain much big roomy spacious extended wide as a capacious vessel room bay or harbor
- large in capacity
- Having capacity; able to contain much; huge; roomy; roomy; extended; broad; as, a capacious vessel, space, bay, or harbor.
- ready or skilled which will make huge views of things, like in acquiring understanding or creating designs; extensive; liberal.
1610s, "able to include," from Latin capax (genitive capacis) "able to take in," from capere "to take" (see capable) + -ous. Meaning "able to keep much" is from 1630s. Related: Capaciously; capaciousness.
The harbour is capacious and secure, with a sufficient depth of water for the largest vessels.