sib

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sib

 (sĭb)
n.
1.
a. A blood relation; a relative.
b. A person's relatives considered as a group; kinfolk.
2. A brother or sister; a sibling.
3. Anthropology A kinship group consisting of two or more lineages considered as being related, as by common descent from a mythic ancestor.
adj.
Related by blood; kindred.

[Middle English sibbe, from Old English sibb; see s(w)e- in Indo-European roots.]

sib

or

sibb

n
1. (Genetics) a blood relative
2. a brother or sister; sibling
3. (Anthropology & Ethnology) kinsmen collectively; kindred
4. (Anthropology & Ethnology) any social unit that is bonded by kinship through one line of descent only
[Old English sibb; related to Old Norse sifjar relatives, Old High German sippa kinship, Latin suus one's own; see gossip]

SIB

(in Britain) abbreviation for
(Banking & Finance) (the former) Securities and Investments Board

sib

(sɪb)

adj.
1. related by blood; akin.
n.
2. a relative; kinsman or kinswoman.
3. one's kin.
4. Anthrop. a unilateral descent group.
[before 900; Middle English sib(e), sibb(e), Old English sib(b) (orig. adj.), c. Old Frisian sib, Old High German sippi related, Old Norse sifjar (pl.) relatives, Gothic sibja relationship; compare gossip]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sib - a person's brother or sistersib - a person's brother or sister  
family unit, family - primary social group; parents and children; "he wanted to have a good job before starting a family"
half blood - one of siblings who have only one parent in common
relative, relation - a person related by blood or marriage; "police are searching for relatives of the deceased"; "he has distant relations back in New Jersey"
quad, quadruplet - one of four children born at the same time from the same pregnancy
quin, quint, quintuplet - one of five children born at the same time from the same pregnancy
triplet - one of three offspring born at the same time from the same pregnancy
twin - either of two offspring born at the same time from the same pregnancy
2.sib - one related by blood or origin; especially on sharing an ancestor with another
relative, relation - a person related by blood or marriage; "police are searching for relatives of the deceased"; "he has distant relations back in New Jersey"
References in periodicals archive ?
The line was increased by selling and sib mating and bulking after eight generations of selfing.
1996) have shown that inbred beetles can in fact respond to selective pressures, even after five generations of full sib mating.
5], the line has been increased either by sib mating or by bulk selfing.