Hypertext Webster Gateway: "quatern"
From WordNet (r) 1.7 (wn)
quatern
n : the cardinal number that is the sum of three and one [syn: {four},
{4}, {IV}, {tetrad}, {quaternion}, {quaternary}, {quaternity},
{quartet}, {quadruplet}, {foursome}, {Little Joe}]
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.