a. Path. [f. prec. + -AL.] Of or pertaining to, appearing in, or characteristic of urticaria. Also Comb.
1883. Lancet, 16 June, 1044/2. The lesion is of an urticarial nature. Ibid. (1886), 22 May, 968. An urticarial rash. Ibid. Urticarial asthma.
1899. Allbutts Syst. Med., VIII. 559. Even urticarial-like rashes may appear.